Class / Patent application number | Description | Number of patent applications / Date published |
294198000 | Pivoted jaws | 57 |
20110204666 | CRC TOOL - A gripping tool for a crane or the like, comprising a bracket ( | 08-25-2011 |
20120025553 | Fluid Technology Device, in Particular Gripping Apparatus - A fluid technology device, in particular a gripping apparatus, is disclosed, which is provided with at least one fluidic connection assembly ( | 02-02-2012 |
20120086229 | GRIPPER FOR RETAINING CONTAINERS SUCH AS PET BOTTLES - By means of a gripper ( | 04-12-2012 |
20120126559 | ATTACHMENT FOR CONSTRUCTION EQUIPMENT - The invention relates to an attachment ( | 05-24-2012 |
20120146352 | GRIPPING DEVICE - The invention relates to a gripping device, comprising a proximal member ( | 06-14-2012 |
20120146353 | GRIPPER FOR PETROLEUM PIPES - A gripper for petroleum pipes, the gripper including a housing and two gripper arms. The gripper arms are provided, at end portions, with gripping surfaces and are pivotable, at opposite end portions, around respective first axes. Each of the gripper arms is connected to the housing by respective first pivotal links, each of the first pivotal links being pivotably connected to the respective gripper arm around a second axis which is between the gripping surface and the first axis. Each of the first pivotal links is pivotably connected to the housing around a third axis, and each of the gripper arms is connected to the housing by a respective second pivotal link around the first axis. Each of the second pivotal links is pivotably connected to the housing on respective fourth axis fixed relative to the housing, the two first pivotal links being independently pivotable. | 06-14-2012 |
20120169081 | FLUID PRESSURE TRANSMISSION DEVICE AND ROBOT HAND DEVICE - A fluid pressure transmission device is equipped with a plurality of driving fluid pressure cylinders | 07-05-2012 |
20120286532 | GRIPPER FOR CAPTURING AND FOR TRANSPORTING PRODUCTS - A gripper for capturing and transporting a food product. In one implementation the gripper has first and second arms having first end portions that cooperate with each other to capture the food product. In a first pivot position the first end portion of the first arm is positioned to cooperate with the first end portion of the second arm to capture the food product, whereas in a second pivot position the first end portion of the first arm is positioned not to cooperate with the first end portion of the second arm. The gripper has an expandable fluid chamber that in an expanded state acts on a portion of the first arm to cause the first arm to assume the first pivot position. | 11-15-2012 |
20120319417 | GRASPING APPARATUS - A grasping apparatus includes a robot and a grasping assembly. The grasping assembly is rotatably mounted to the robot and includes a cylinder, two grasping plates, two grasping blocks and two first resilient members. The cylinder is secured to the robot. The two grasping plates are rotatably attached to the cylinder. The cylinder is capable of driving the two grasping plates to rotate towards each other. Each grasping block is slidably attached to each grasping plate. Each first resilient member is secured between each grasping block and each of the two grasping plates. When the two grasping plates are rotated towards each other, the two grasping blocks are adapted to sandwich a product therebetween. | 12-20-2012 |
20130033053 | HIGH-FORCE ROBOTIC GRIPPER - A robotic gripper ( | 02-07-2013 |
20130057007 | CONTAINER GRABBING DEVICE - A mechanized gripping apparatus for grabbing collection containers of a range of sizes is disclosed. The apparatus has converging opposed cylinder-operated finger arrangements which pivot together to close about a container for gripping and open to release a container. | 03-07-2013 |
20130062898 | SWIVELLING PILE CLAMP - A pile clamp assembly to clamp a pile that consists of the following main components; top pile clamp device, the bottom pile clamp device, a plurality clamp wedges and a plurality vertical hydraulic clamps which combines to make a flat clamp wedge contact with the surface of a deviated and twisted pile. This clamping mechanism reduces bending in the driven pile by enabling the next adjoining pile to conform as much as possible to the alignment of the existing driven pile and gradually corrects the pile's vertical alignment and twist as it penetrates the ground through interactions of the unique swiveling clamp wedges. | 03-14-2013 |
20130069383 | GRAPPLE WITH FULLY ENCLOSED HYDRAULIC CYLINDERS - A grapple is provided having (a) a first jaw hinged together with a second jaw and (b) a pair of hydraulic cylinders disposed on opposite sides of the jaw. Both of the cylinders are capable of opening and closing the hinged jaws without the use of a stiff arm. In one embodiment of the invention, the pair of hydraulic cylinders are fully enclosed within a compartment within one of the jaws. | 03-21-2013 |
20130099517 | GRIPPING DEVICE - The gripping device is provided with a rod portion which is movable vertically along a rod axis, to the lower end is mounted a connecting block. A pair of opening and closing lever portions is disposed to face each other along the direction of a fore-to-aft or lateral axis, with intermediate portions which are pivotal about a fulcrum support shaft portion parallel to a left-right or longitudinal axis. A link mechanism connects the connecting block and the upper ends of the pair of the opening and closing lever portions and pivots the pair of the opening and closing lever portions in the direction of the fore-to-aft axis in response to the vertical movement of the rod portion. The pair of the opening and closing lever portions is formed with a cutout or notch at least extending from the intermediate portions to upper ends and is disposed against each other with the rod portion. | 04-25-2013 |
20130175816 | HUMANOID ELECTRIC HAND - A humanoid electric hand includes a metacarpophalangeal joint and an interphalangeal joint. The interphalangeal joint bends or extends together with a bending or extending operation of the metacarpophalangeal joint, by linking a finger motor for driving a finger to a worm deceleration mechanism, an output gear of which moves rotationally to bend or extend the metacarpophalangeal joint, and by linking the metacarpophalangeal joint to the interphalangeal joint via a link mechanism. | 07-11-2013 |
20130193701 | GRIPPER FOR A TOY AND TOY WITH A GRIPPER - A gripper for a toy has a base body, and two gripping bodies. Each gripping body is connected by a respective gripping body connecting joint to the base body is movable between a release position with an opened gripper and a gripping position with a closed gripper. At least one gripping body is formed as a lever body and has a jaw portion and a lever portion. The associated gripping body connecting joint is arranged between the jaw portion and the lever portion. A control rod is connected to the gripping bodies by a respective control rod connecting joint and, when the gripper is open, is arranged between the gripping bodies in a freely accessible jaw encompassing region. By contact with an item to be gripped, the control rod can be moved between a release position with an opened gripper and a gripping position with a closed gripper. | 08-01-2013 |
20130214547 | Selectively Bendable Remote Gripping Tool - A hand-held remote access device, such as a gripping tool, includes a jaw portion having a pair of jaws movable relative to each other between fully clamped and fully opened positions thereof, a handle portion spaced apart from the jaw portion by a bendable central portion that has a hollow, corrugated member having alternating ridges and grooves that is bendable so as to attain a predetermined shape. | 08-22-2013 |
20130249229 | SPACECRAFT CAPTURE MECHANISM - The present invention provides a capture mechanism for capturing and locking onto the Marman flange located on the exterior surfaces of spacecraft/satellites. The capture mechanism achieves its goal of quickly capturing a target spacecraft by splitting the two basic actions involved into two separate mechanisms. One mechanism performs the quick grasp of the target while the other mechanism rigidises that grasp to ensure that the target is held as firmly as desired. The jaws can be set up to grasp gently, firmly, or even not close completely on the target. Once the jaws have sprung shut, a second mechanism draws the jaws (and their closing mechanism) back into the body of the tool pulling the captured target onto two rigidisation surfaces. The mechanism keeps pulling backwards until a pre-established preload is reached at which point the target is considered suitably rigidised to the capture mechanism. | 09-26-2013 |
20130278000 | DEVICE FOR SECURING TRIM TO A SEAT - A seat assembly machine includes a plurality of grippers useful for securing a piece of trim to a seat cushion. In a disclosed example, each gripper includes a plurality of prongs that are moved between neutral, closed and released positions that each facilitate a different portion of the assembly process. In one example, each gripper includes a sleeve within which the prongs are moveable so that the prongs are manipulated between the neutral, closed and released positions. A disclosed example sleeve includes an interior channel having a contour that manipulates the prongs between the different positions based on the location of the prongs within the sleeve. | 10-24-2013 |
20140021731 | RECONFIGURABLE GRIPPING DEVICE - A reconfigurable gripping device for securely gripping, lifting, and transporting a work piece is provided. The reconfigurable gripping device may include at least a first finger and a second finger each secured to a base platform with a base support. Each of the respective fingers may have a first link, a second link, and a third link each having a corresponding drive mechanism to individually drive the respective link. The first link drive mechanism and second link drive mechanism are configured to control the grasp and adaptability of each of the respective fingers to place the third link upon a work piece. The third link drive mechanism is configured to drive the third link of each of the respective fingers to apply a clamping force upon the work piece. | 01-23-2014 |
20140028042 | GRIPPING ASSEMBLY AND GRIPPING MEMBERS FOR A GRAPPLE ATTACHMENT - A gripping assembly with gripping members, as part of a grapple attachment, used to grasp and manipulate elongated objects, for example pipe, is described. Due to the gripping action of the gripping members and tilt control capabilities of the grapple attachment, total positive control of the pipe is maintained, even if the gripping assembly picks up pipe off center. The grapple attachment is able to be used on all pipe surface types, including pipe surfaces that are dirty, snow or ice covered. The gripping members are configured to prevent damage to the pipe and to adjacent pipes, and will not crush the pipe. | 01-30-2014 |
20140062113 | Selectively Bendable Remote Gripping Tool - A hand-held remote access device, such as a gripping tool, includes a jaw portion having a pair of jaws movable relative to each other between fully clamped and fully opened positions thereof, a handle portion spaced apart from the jaw portion by a bendable central portion that has a hollow, corrugated member having alternating ridges and grooves that is bendable so as to attain a predetermined shape. | 03-06-2014 |
20140084615 | LOCKING TONG - Certain embodiments of tongs are disclosed herein having a locking feature disposed upon an arm thereof. | 03-27-2014 |
20140097631 | KINETIC AND DIMENSIONAL OPTIMIZATION FOR A TENDON-DRIVEN GRIPPER - A tendon-driven robotic gripper is disclosed for performing fingertip and enveloping grasps. One embodiment comprises two fingers, each with two links, and is actuated using a single active tendon. During unobstructed closing, the distal links remain parallel, creating exact fingertip grasps. Conversely, if the proximal links are stopped by contact with an object, the distal links start flexing, creating a stable enveloping grasp. The route of the active tendon and the parameters of the springs providing passive extension forces are optimized in order to achieve this behavior. An additional passive tendon is disclosed that may be used as a constraint preventing the gripper from entering undesirable parts of the joint workspace. A method for optimizing the dimensions of the links in order to achieve enveloping grasps of a large range of objects is disclosed and applied to a set of common household objects. | 04-10-2014 |
20140117690 | CHUCKING APPARATUS - According to one embodiment, A chucking apparatus includes an arm that is configured to hold a test tube, an opening/closing mechanism that opens/closes the arm, a motor that drives the opening/closing mechanism, and a supplying unit configured to supply electric power to the motor at two different supply voltages. | 05-01-2014 |
20140132020 | Compliant Underactuated Grasper - A compliant underactuated grasper includes a palm base and two fingers. Each of the fingers comprises: a proximal phalanx; a distal phalanx; a compliant flexure joint connecting the distal phalanx to the proximal phalanx; and a pin joint connecting the proximal phalanx to the palm base, the pin joint constraining angular movement of the proximal phalanx relative to the palm base to rotation about a pin pivot axis. The grasper further includes at least one actuator to move the fingers. The grasper has fewer actuators than degrees of freedom. | 05-15-2014 |
20140132021 | Compliant Underactuated Grasper - A compliant underactuated grasper includes a base and a plurality of fingers. At least one of the plurality of fingers includes: a proximal phalanx; a proximal joint connecting the proximal phalanx to the base; a distal phalanx; a distal joint connecting the distal phalanx to the proximal phalanx; and a member for moving the phalanges. At least one of the proximal joint and the distal joint includes a flexure joint having a first compliance in a first direction and a second compliance in a second direction, the second compliance being stiffer than the first compliance. The distal phalanx includes: a rounded end face; and a lifting portion including a lifting edge adjacent the rounded end face. The member acts in parallel to the first direction. The grasper further includes at least one actuator associated with the member. The grasper has fewer actuators than degrees of freedom. | 05-15-2014 |
20140175819 | GRIPPING DEVICE - A gripper formed as a single component includes a hoop portion connecting facing arms. Each arm may have a tang end, a jaw end and a pivot intermediate the tang and jaw ends and be attached to the hoop portion at the pivot to be pivotable to change the size of a jaw opening defined by the jaw ends. The hoop portion is cyclically loaded in use and configured to act as a stress concentrator for the gripper and provide a failure point for consistently initiating a failure crack in the hoop portion at time of failure of the gripper. Each of the facing arms is attachable to a base such that at failure, the fractured portions of the gripper are retained to the base. | 06-26-2014 |
20140183890 | Pick Up Device With Telescoping Tube - This invention provides hand operated portable adjustable length devices for grasping and manipulation of objects as well as methods of their use. | 07-03-2014 |
20140217762 | ROBOT ARM WITH TENDON CONNECTOR PLATE AND LINEAR ACTUATOR - A robotic system includes a tendon-driven end effector, a linear actuator, a flexible tendon, and a plate assembly. The linear actuator assembly has a servo motor and a drive mechanism, the latter of which translates linearly with respect to a drive axis of the servo motor in response to output torque from the servo motor. The tendon connects to the end effector and drive mechanism. The plate assembly is disposed between the linear actuator assembly and the tendon-driven end effector and includes first and second plates. The first plate has a first side that defines a boss with a center opening. The second plate defines an arcuate through-slot having tendon guide channels. The first plate defines a through passage for the tendon between the center opening and a second side of the first plate. A looped end of the flexible tendon is received within the tendon guide channels. | 08-07-2014 |
20140232124 | ROBOT HAND AND ROBOT - The robot hand includes a frame and finger units which are provided on the frame and grasp an object to be grasped. The finger units include a Scott Russell mechanism, a first parallel link mechanism, and a second parallel link mechanism. | 08-21-2014 |
20140312639 | CLAMPING ATTACHMENT WITH REGENERATIVE HYDRAULIC CIRCUIT - A regenerative hydraulic circuit for a clamping attachment limits the clamping force applied to a clamped load. | 10-23-2014 |
20150021948 | CLAMPING MECHANISM - A clamping mechanism includes a driving assembly, a gear assembly and a clamping assembly. The driving assembly includes a driving gear. The gear assembly includes a first slave gear, a second slave gear and a connecting rod which is coupled with the first slave gear and the second slave gear. The first slave gear meshes with the second slave gear. The clamping assembly includes a first clamping member and a second clamping member, which are coupled to the first slave gear and the second slave gear respectively. When the driving gear rotates, the first slave gear and the second slave gear would rotate in opposite directions to enable the first clamping member and the second clamping member to move toward or away from each other, thereby clamping or releasing a workpiece. | 01-22-2015 |
20150108780 | SYSTEMS AND METHODS FOR GRIPPING AND HANDLING A BEAD APEX - A system for handling a bead apex comprises a first jaw having open and closed states, which is configured to engage a first surface of a bead apex in the closed state. The system further comprises a second jaw having open and closed states, and a plurality of grippers coupled to the second jaw. Selected ones of the plurality of grippers are configured to engage a second surface of the bead apex in the closed state of the second jaw. Further, at least one of the plurality of grippers comprises a tapered end surface. | 04-23-2015 |
20150321358 | GRIPPER - The present invention relates to a gripper ( | 11-12-2015 |
20160001442 | Pick Up Device With Telescoping Tube - This invention provides hand operated portable adjustable length devices for grasping and manipulation of objects as well as methods of their use. | 01-07-2016 |
20160121489 | INTERCONNECTED PHALANGES FOR ROBOTIC GRIPPING - A robotic gripping device allows for pinch and power grasps using interconnected phalanges with configurable connections. A distal phalange is rotatably connected to a proximal phalange. A contact phalange is rotatably connected to the proximal phalange. The contact phalange is rotatably connected to the distal phalange via a contact-distal pivot or rotation connection. In response to sufficient contact between the contact phalange and an object, the contact phalange is configured to rotate in a first direction toward the proximal phalange. The rotation of the contact phalange causes rotation of the distal phalange in a second direction toward the object. The contact-distal connection may be a configurable gear connection for adjusting the movement ratio of the contact and distal phalanges. | 05-05-2016 |
20160121490 | GRIPPING DEVICE WITH ADJUSTABLE DIAMETER AND METHOD OF OPERATING - A gripping device for tubular elements includes two gripping arms arranged opposite to each other which together forming an opening having a diameter, transfer elements, at least one piston rod connected to the two gripping arms via the transfer elements, at least one cylinder in which the at least one piston rod is configured to run, a stop device connected to the at least one piston rod, and an adjustment system configured to limit an axial movement of the stop device and thereby the diameter of the opening. The stop device is configured to cooperate with the adjustment system. | 05-05-2016 |
294199000 | Automatic, including bowling pin handling | 3 |
20130127195 | APPARATUS AND METHOD FOR ENGAGING AND HANDLING ARTICLES OF MANUFACTURE - Apparatus and method for engaging an article. The apparatus has a base portion, an end portion disposed adjacent the base portion. The end portion is moveable in relation to the base portion generally along the longitudinal centerline. One or more bands are joined to and extend between the base portion and the end portion. At least one of the bands bends away from the longitudinal centerline when the end portion is moved toward the base portion from the disengaged configuration to the activated configuration. | 05-23-2013 |
20130193702 | PET BOTTLE GRIPPING DEVICE - An apparatus for gripping and retaining PET bottles in a filling system includes a passive clamping system having pivotable gripping arms that pivot around corresponding pivot axles and that are acted upon by either a spring or permanent magnets. The first pivotable gripping arm has a first extension on an other side of the first pivot axle and the second pivotable gripping arm has a second extension on an other side of the second pivot axle. The extensions have receptacles for guiding a compression spring and for applying a bending force to the compression spring or to sub-segments thereof These receptacles can be rod-shaped or rail-shaped. | 08-01-2013 |
20150314966 | DEVICE FOR GRIPPING AND HOLDING CONTAINERS - A gripping-and-holding device for gripping and holding containers has a support body, pivotable spring-loaded gripper arms on the support body, three securing elements, two of which are on the gripper arms, and a traction spring that exerts a force towards a center defined between its first and second spring ends. The first two securing elements secure the traction spring. Meanwhile, a first end of the third securing element engages the traction spring outside its spring ends. Its second end is arranged on the support body. | 11-05-2015 |
294200000 | Separate cable operator | 5 |
20130119687 | ROBOTIC HAND WITH PALM SECTION COMPRISING SEVERAL PARTS ABLE TO MOVE RELATIVE TO EACH OTHER - An improved robotic hand in which the palm section enables it to be capable of a wide range of movement with the ability to have good precision and control. The palm section consists of a plurality of parts which are able to move or flex relative to each other. Preferably, it is constructed as five bar spherical linkage having two degrees of freedom. | 05-16-2013 |
20140035305 | SLIDING HANDLE REACHER - A reaching apparatus is provided for allowing a user to utilize gross motor skills to actuate the reaching apparatus. The reaching apparatus includes a fixed and a sliding handle on a shaft. An internal pulley system is connected between the first and second handles such that sliding of the second handle activates the pulley system to move the claw of the reaching apparatus between an open and closed configuration. The claw may be locked in an open and/or closed configuration by rotation of the handle on the shaft. The pulley system can be set to specific resistance to activate the claw upon different gross motor levels. | 02-06-2014 |
20140183891 | Pick-up Device with Leverage Action Trigger - This invention provides hand operated portable devices for grasping and manipulation of objects as well as methods of their use. | 07-03-2014 |
20150343647 | TWISTED STRING ACTUATOR SYSTEMS - A twisted string actuator system includes a motor generating rotary motion of a rotor and a twisted string comprised of a pair of cords. One end of the twisted string is attached to the rotor and an opposite end of the twisted string is coupled to a load. The cords are twisted about each other for a first section of the twisted string and untwisted for a second section of the twisted string. A cord guide is fixedly disposed between the cords. The first and second sections of the twisted string are on a first side and second side, respectively, of the cord guide. Rotary motion of the rotor in one direction operates to twist the pair of cords on the first side of the cord guide while pulling a portion of the pair of cords from the second side of the cord guide into the first side. | 12-03-2015 |
20160052143 | CONCAVE BEARING OUTER RACE FOR TENDON BASED ROBOTIC JOINTS - A robotic manipulator includes an actuator, a first link and a second link coupled together at a joint, and a bearing rotatably disposed in the joint and having a concave outer race. At least one tendon is coupled between the actuator and the second link, the at least one tendon passes between the first link and the second link, and is routed over the concave outer race of the bearing when passing between the first link and the second link. | 02-25-2016 |
294201000 | Load surrounding type | 5 |
20120256434 | Transfer Ring Having Advantaged Cam Follower-Camming Groove Aspect and Method - A transfer ring suitable for use in the manufacture of vehicle tires including a skeletal cylindrical cage which houses an oscillatable circular drive member. The drive member includes a plurality of cam followers disposed about the outer perimeter thereof and which operatively engage respective camming grooves defined in each of a plurality of hinged driven links which are individually hingedly mounted internally of the cage about the outer perimeter of the cage. Each driven link includes an inboard end hinged within the cage and an outboard end having an articulating shoe mounted thereon. The shoes are interconnected to provide like simultaneous substantially equal articulative and rotational movement of the shoes radially inwardly or radially outwardly of the cage upon rotational movement of the drive member and resultant rotational movement of the hinged driven links effected through the cam followers and camming grooves of the driven links. | 10-11-2012 |
20120299321 | ORANGE PEEL GRAPPLE - A hydraulic orange peel material handling grapple that is attachable to a boom stick on a material handling machine is used for recycling or material handling in grabbing odd shaped objects, unprocessed scrap and scooping up small items and shredded scrap. The grapple includes a central tower having at least four aligned upper and lower mounting ears circumferentially arranged equally distant from each other. A hydraulic cylinder with a ram is mounted to each upper ear. A set of at least four interchangeable pointed-shaped tines are provided for grabbing the odd shaped objections and unprocessed scrap. A set of four interchangeable flat-shaped tines that are used for scooping up small items and shredded scrap are also provided. Each tine has a cylinder ram mount ear on an upper portion of the tine for mounting the cylinder ram and an uppermost mount distal from the tine tip for pivotally mounting the tine to one of the lower frame mounting ears. The cylinder ram mount ear of the flat-shaped tine is closer to the lower tine pivot ear on the tower than the cylinder ram mount ear of the pointed-shaped tine is to the lower tine pivot mount ear. | 11-29-2012 |
20140265401 | GRIPPER HAVING A TWO DEGREE OF FREEDOM UNDERACTUATED MECHANICAL FINGER FOR ENCOMPASSING AND PINCH GRASPING - A mechanical gripper being adapted to automatically perform a stable pinch grasp and an encompassing grasp and a method of determining a system geometry thereof. The gripper comprising at least one mechanical finger comprising. The at least one mechanical finger comprising a first phalanx and a second phalanx that are pivotally connected. When a load is applied on a stable pinch grasp region, an actuation mechanism is adapted to allow the second phalanx to translate and allow its contact surface to maintain a constant orientation in order to automatically perform a pinch grasp, when a load is applied on the first phalanx or below the stable pinch grasp region, the actuation mechanism is adapted to allow the second phalanx to pivot and automatically perform an encompassing grasp. | 09-18-2014 |
20160047181 | 360 Degree Shoulder Clamp Elevator and Method of Use - A self-balancing, shoulder type elevator is comprised of two opposing jaws pivotally connected to a hinge plate. The jaws are engaged for rotation at the hinge plate by corresponding sets of gear teeth. Hangers on the jaws attach the elevator to suspending bails. An offset alignment linkage pivotally attaches each jaw to the hinge plate and a rotatable spindles pivotally attached perpendicular to the jaws. The alignment linkage maintains the spindles angularly congruent in orientation with the bails when the opposing jaws are pivoted open and closed. | 02-18-2016 |
20170233227 | DEVICE FOR HANDLING ARTIFACTS | 08-17-2017 |
294202000 | Separate sliding operator | 2 |
20140232125 | Gripper - A gripper for grasping and handling textiles and other flexible materials includes an external body housing a driving unit, which actuates a plurality of sliding elements moving away and approaching symmetrically; and a plurality of gripping members, each connected to one of the sliding elements by a first transmission group that includes a kinematic chain with levers that invert motion such that, during the approaching of the sliding elements, the gripping members move away from each other, and during the distancing of the sliding elements, the gripping members approach each other. | 08-21-2014 |
20140346796 | KINETIC AND DIMENSIONAL OPTIMIZATION FOR A TENDON-DRIVEN GRIPPER - A tendon-driven robotic gripper is disclosed for performing fingertip and enveloping grasps. One embodiment comprises two fingers, each with two links, and is actuated using a single active tendon. During unobstructed closing, the distal links remain parallel, creating exact fingertip grasps. Conversely, if the proximal links are stopped by contact with an object, the distal links start flexing, creating a stable enveloping grasp. The route of the active tendon and the parameters of the springs providing passive extension forces are optimized in order to achieve this behavior. An additional passive tendon is disclosed that may be used as a constraint preventing the gripper from entering undesirable parts of the joint workspace. A method for optimizing the dimensions of the links in order to achieve enveloping grasps of a large range of objects is disclosed and applied to a set of common household objects. | 11-27-2014 |
294203000 | Cam-operated | 4 |
20120326460 | CLAW FOR A CONTAINER TRANSPORTING SYSTEM - A clamp grip for a container transport system including rare earth permanent magnets encapsulated in non-magnetic material such as high quality steel. Flexible positioning of the magnets allow for adapting to varied design specifications. A rotatable control cam or cams may be used to adjust grip arms between a grip and a release position. Air gap distances between permanent magnets may be designed to maximize repelling force to assist in the functioning of clamp grip mechanism. | 12-27-2012 |
20130088031 | APPARATUS FOR GRIPPING AND HOLDING DIAGNOSTIC CASSETTES - The invention relates generally to an apparatus for acquiring, holding, and enabling the movement of a cassette-shaped article, such as a reagent or sample cassette, which may be part of an automated diagnostic analyzer, such that the apparatus can tolerate a significant degree of cassette misplacement and/or misalignment during the acquisition maneuver. The invention provides simultaneous two-dimensional movement of the acquiring gripper jaws such that the inter-jaw distance decreases at the same time as movement in an upward vertical direction is provided while the jaw movement is adequately smooth so as not to disturb the physical state of the sample. | 04-11-2013 |
20140232126 | GRIPPER FOR A CONTAINER - The present disclosure relates to a gripper arm, and a method for its manufacture, for a device for grasping, holding and guiding in particular bottle-like containers which comprises a rotatably mounted control cam for moving a gripping section of the gripper arm from an open position into a gripping position, having a bore hole for supporting a bearing pin for pivotably mounting the gripper arm in the device, a seating for an opening means for moving the gripping section of the gripper arm from the gripping position into the open position, and a suspension means for cushioning and equalizing the force and/or deflection exerted on the gripper arm by the control cam. So that the gripper arm remains sufficiently free of contaminants and germs and is thus unproblematic to clean, the suspension means comprises a spring bar integrally formed in an end section of the gripper arm body. | 08-21-2014 |
20190143533 | GRIPPING TONGS | 05-16-2019 |