Patent application number | Description | Published |
20090193667 | Reciprocating tool foot locking arrangement - A support arrangement for a reciprocating tool comprises a first locking surface configured to engage a second locking surface in a locking engagement. The first locking surface is secured to the reciprocating tool. The second locking surface is provided on a support foot assembly. A shaft extends between the first locking surface and the second locking surface. The shaft defines a shaft axis that is oriented substantially orthogonal to the tool axis. An adjustment mechanism is positioned on the shaft. The adjustment mechanism is configured to move upon the shaft and clamp the first locking surface and the second locking surface together. In at least one embodiment, a ratchet arrangement is provided in the adjustment mechanism. The ratchet arrangement limits the extent that the adjustment mechanism may be tightened to clamp the first locking surface to the second locking surface. | 08-06-2009 |
20110048207 | TABLE SAW WITH LINKAGE DROP SYSTEM - A table saw in one embodiment includes a swing arm assembly movable along a swing path between a first swing arm position whereat a portion of a shaping device supported by the swing arm assembly extends above a work-piece support surface and a second swing arm position, a first link arm with a first tracking component and a first slot, the first tracking component slidingly engaged with the swing arm assembly, a second link arm with a second tracking component engaged with the first slot, an actuator configured to pivot the second link arm from a first position whereat force from the first link arm acting on the tracking component is directed at a second link arm pivot toward a second position whereat the force is not directed at the second link arm pivot, and a control system configured to actuate the actuator in response to a sensed condition. | 03-03-2011 |
20110247847 | DRIVE MECHANISM FOR A RECIPROCATING TOOL - Embodiments of the present invention are directed to a drive apparatus for a reciprocating tool, comprising a housing, a rotatable drive shaft assembly located in the housing, an elongated spindle located in the housing for reciprocating motion, a front bushing in the housing for supporting the front end portion of the spindle, and a wobble drive mechanism comprising a wobble drive shaft connected to the drive shaft assembly, an elongated arm having a lengthwise axis extending upwardly from the wobble drive shaft and including an upper interface for reciprocating the spindle generally in its lengthwise direction during alternating cutting and return strokes, wherein the upper interface connects the arm to the spindle in a manner that prevents translational movement of the spindle relative to the arm in the direction of the arm lengthwise axis, but permits rotational movement thereof in three orthogonal axes. | 10-13-2011 |
20120066919 | YOKE ACCESSORY TOOL FOR AN OSCILLATING TOOL - An accessory tool is configured to be coupled to a power tool having a tool drive structure. The accessory tool includes a spring component and has a first arm and a second arm attached to the spring component. The first arm includes (i) a first proximal end portion defining a first accessory drive structure that is configured to mate with a first portion of the tool drive structure, and (ii) a first distal end portion having a first holding structure. The second arm is spaced apart from the first arm and includes (i) a second proximal end portion defining a second accessory drive structure that is configured to mate with a second portion of the tool drive structure, and (ii) a second distal end portion having a second holding structure. | 03-22-2012 |
20130055576 | Drive Mechanism for a Reciprocating Tool - In one embodiment, a reciprocating tool includes an elongated spindle configured to reciprocate along its lengthwise axis, a wobble drive mechanism operably connected to the elongated spindle, an elongated rocker assembly having an upper end portion operably connected to the spindle, a lower end portion, and a pivot located between said upper and lower end portions, and a counterweight operably connected to the lower end portion, such that as the elongated spindle reciprocates along its lengthwise axis, the counterweight is driven by the elongated rocker assembly to reciprocate along the axis. | 03-07-2013 |
20130081280 | Saw Assembly with Pivot Hinge Dust Port - A saw assembly includes a drive member, a motor, a housing, and a foot. The drive member is configured to be moved in a repeating pattern. The motor is configured to move the drive member in the repeating pattern. The housing defines an interior space in which the motor is positioned. The foot includes (i) a base having an upper surface and a lower work piece contact surface, and (ii) a conduit structure secured to the upper surface of the base. The housing is pivotably mounted to the conduit structure. | 04-04-2013 |
20130081284 | Base with Beveled Lateral Side Surface - A saw and guide apparatus includes a saw assembly and a cutting guide. The saw assembly includes (i) a drive member configured to be moved in a repeating pattern, (ii) a motor configured to move the drive member in the repeating pattern, (iii) a housing defining an interior space in which the motor is positioned, (iv) a foot including a base defining a cutting member opening therein, the base further defining a lower base surface, (v) a cutting member secured to the drive member so that the cutting member extends through the cutting member opening, and (vi) a guard attached to the housing and defining a cutting wheel space in which the cutting wheel is at least partially positioned. The cutting guide includes (i) a first saw support defining a first saw contact surface and a first workpiece contact surface, and (ii) a second saw support defining a second saw contact surface and a second workpiece contact surface, the first workpiece contact surface being spaced apart from the second workpiece contact surface so as to define a window therebetween. The foot is configured such that, if the following conditions exist: (i) the lower base surface is positioned in contact with the first saw contact surface, and (ii) the guard is positioned in contact with the second saw contact surface, then the cutting member extends through the window and the base is spaced apart from the window. | 04-04-2013 |
20130081285 | Spring Biased Base with Offset Pivot Point - A saw assembly includes a drive member, a motor, a housing, a foot, and a spring. The drive member is configured to be moved in a repeating pattern. The motor is configured to move said drive member in said repeating pattern. The housing defines an interior space in which said motor is positioned, and said housing includes a mount located in said interior space. The foot includes (i) a base defining a work piece contact surface, and (ii) an extension structure attached to said base and defining a spring arm contact surface. The spring includes (i) a spring arm positioned in contact with said spring arm contact surface, and (ii) a coiled portion supported by said mount. The housing is configured to pivot in relation to said foot about a pivot axis. | 04-04-2013 |
20130081286 | Base Lever with Release Stop and Lock Stop - A saw assembly includes a drive member, a motor, a housing, a foot, a spring, a first clamp component, and a clamp actuator. The drive member is configured to be moved in a repeating pattern. The motor is configured to move the drive member in the repeating pattern. The housing defines an interior space in which the motor is positioned, and the housing including a first limiter. The foot includes (i) a base defining a work piece contact surface, and (ii) an extension structure attached to the base. The foot is configured to pivot in relation to the housing about a pivot axis between a rest position and a non-rest position. The spring is configured to bias the foot toward the rest position. The first clamp component includes a first clamping surface positioned in the interior space of the housing. | 04-04-2013 |
20130081287 | Circular Saw Guard System - A saw assembly includes a drive member, a motor, a housing, and a guard. The drive member is configured to be moved in a repeating pattern. The motor is configured to move the drive member in the repeating pattern. The housing defines an interior space in which the motor is positioned. The guard is secured to the housing and includes a partition. The guard defines (i) a first cutting wheel space positioned on a first side of the partition, and (ii) a second cutting wheel space positioned on an opposite second side of the partition. | 04-04-2013 |
20130081525 | Lockout Forward Flip Lever for Power Saw - A saw assembly includes a housing, a drive member, a motor, a switch, a trigger, a lockout lever, and a stop structure. The housing defines an interior space, and the housing has a forward housing portion defining a forward housing opening and a rearward housing portion defining a rearward housing opening. The drive member extends through the forward housing opening, and the drive member is configured to be moved in a repeating pattern. The motor is positioned in the interior space and is configured to move the drive member in the repeating pattern. The switch is positioned in the interior space and has an actuator movable between an actuated position and a deactuated position. | 04-04-2013 |
20130081841 | Saw Assembly with Floating Bearing for Worm Drive and Motor Shaft - A saw assembly includes a housing, a motor, a worm gear, and a drive member. The housing defines an interior space. The motor is positioned in the housing and has a motor shaft, the motor being configured to rotate the motor shaft about a first axis. The worm gear is positioned in the housing and has a worm gear shaft. Rotation of the motor shaft causes rotation of the worm gear shaft. The drive member is operatively coupled to the worm gear. Rotation of the worm gear shaft causes movement of the drive member in a repeating pattern. The worm gear shaft includes a bore structure defining a blind bore and an opening leading to the blind bore. The bore structure defines a set of internal threads that are spaced apart from the opening. The motor shaft includes a set of external threads. | 04-04-2013 |
20140182428 | RECIPROCATING TOOL WITH INVERSE BUSHING - In one embodiment, a reciprocating tool includes a reciprocating plunger, the plunger including an inner wall defining a chamber portion within the plunger, a motor operably connected to the plunger, and a bushing located at least partially within the chamber and contacting the inner wall. | 07-03-2014 |
20140182872 | WOBBLE DRIVE FOR AN OSCILLATING TOOL - An oscillating drive for a power tool includes a wobble shaft located on a drive shaft of a motor for a power tool, and a wobble member rotatably supported on the wobble shaft. The wobble member includes a wobble drive structure that defines a drive axis. A tool driver includes a tool drive structure at one end that is coupled to the wobble drive structure and a tool holder configured to releasably retain an accessory tool. Rotation of the drive shaft causes the wobble shaft to wobble about an axis of the drive shaft. The tool driver holds the wobble member against the rotation of the wobble shaft such that the wobble member wobbles without rotating which results in an oscillating motion of the drive axis of the wobble member in a plane that is parallel to the axis of the drive shaft. The oscillating motion of the drive axis causes the tool driver to oscillate. | 07-03-2014 |
20140208600 | Saw Assembly with Bevel Gear Drivetrain - A saw assembly including a housing, a motor, a first bevel gear, and a second bevel gear. The motor is located in the housing and includes a motor shaft configured for rotation relative to the housing. The first bevel gear is operably connected to the motor shaft for rotation with the motor shaft. The second bevel gear is operably engaged with the first bevel gear, such that rotation of the first bevel gear causes rotation of the second bevel gear. The arbor assembly is operably connected to the second bevel gear. The arbor assembly is accessible for mounting an accessory thereto from an accessory side of the housing. The arbor assembly defines a first axis of rotation. The first bevel gear is located between the second bevel gear and the accessory side of the housing along the first axis of rotation. | 07-31-2014 |