Class / Patent application number | Description | Number of patent applications / Date published |
030152000 | Plural blade | 17 |
20080235954 | Utility Knife - A hand tool with a cable jacket ripper in a housing of the tool is provided. The cable jacket ripper includes an opening with a blade presenting a cutting edge. Rotating the housing relative to a cable engages the blade with the jacket of the cable to pierce the jacket. Thereafter, the cable may be slit longitudinally by the hand tool and the blade. The hand tool may be a utility knife with a cutting blade positioned at an end of the utility knife opposite the cable jacket ripper. | 10-02-2008 |
20090199408 | Foldable Knife with Disposable Blades - A foldable knife includes a handle, a frame pivotally connected to the handle, a cartridge pivotally connected to the frame, a leaf spring attached to the frame, a blade-driving device, a blade-positioning element and a button. The frame includes a slot. The cartridge includes a slot through which the leaf spring reaches at least one blade when the cartridge is disposed in the frame. The blade-driving device includes a plate and a switch. The plate is in firm contact with the blade. The switch includes a portion located outside the frame and another portion inserted through the slot of the frame and connected to the plate. A blade-positioning element is movably connected to the frame. A button includes a portion for pushing the blade-positioning element and another portion inserted through the aperture of the frame for contact with a user's finger. | 08-13-2009 |
20090293284 | CUTTING TOOL WITH MULTIPLE SCISSORS TOOLS - A cutting tool having a body, a first scissors tool coupled with the body and having a first pair of blades cooperating to define a first cutting pattern, and a second scissors tool coupled with the body and having a second pair of blades cooperating to define a second cutting pattern. | 12-03-2009 |
20090300920 | MULTI-BLADE UTILITY KNIFE - A foldable hand tool having a blade holder mounted with a handle for movement from folded and unfolded positions. The blade holder has an opening adapted to receive blades of different sizes. The foldable hand tool further has a locking mechanism to lock the holder in an open position. A blade holder lock engages a resilient arm formed in the side wall of the handle. | 12-10-2009 |
20100037465 | UTILITY KNIFE WITH BLADE STORAGE SYSTEM - A utility knife includes a handle, a blade holder assembly, a spare blade carrier, a spare blade dispenser, and an actuator. The blade holder assembly is constructed and arranged to hold a blade at a position of use at one end of the handle. The spare blade carrier is disposed in the handle, and is configured to carry a plurality of spare blades. The spare blade dispenser is constructed to separate one of the spare blades from the plurality thereof and present the one separated blade to the user. The actuator is operatively associated with the blade dispenser, wherein movement of the actuator moves the blade dispenser to separate the one spare blade from the plurality to present the one separated blade to the user. | 02-18-2010 |
20100236077 | Personal weapon - The personal weapon includes a base and blade support pivotally attached to the base, with a plurality of blades extending from the blade support. The assembly is installed across the upper palm and adjacent bases of the fingers of a glove, with backing plates providing additional reinforcement for the assembly. The blades extend selectively as the palm is opened and the fingers extended, with the blades retracting into slots in the base when the fingers are closed over the palm. The device extends only across the second through fourth fingers, leaving the index finger free for e.g., firearm trigger actuation, etc. independent of blade deployment. A thumb-actuated safety is also provided to lock the blades in their retracted positions. The glove may be fingerless or partially fingered, or may include complete, fully enclosed fingers. | 09-23-2010 |
20100281696 | SELF LOADING UTILITY KNIFE - A self-loading utility knife including an elongate handle having an internal chamber defining an axis and at one end is flat aperture for the passage of an active blade. The flat aperture defines a cutting plane extending through said handle along the axis. A blade-holder is slidably mounted in the chamber for movements in directions along the axis and is adapted to secure a single active blade for movement through the aperture when the blade holder is in the extended position. A blade-holder release button is coupled to the blade holder and is slidingly movable relative to the handle to move blade holder between retracted and extended positions. The handle has a blade compartment which is open to the chamber and can receive a stack of spare blades when a cover to the compartment is opened and blades can be shifted transversely relative to the axis into the chamber. The blade holder is provided with a recess having a depth no greater than the thickness of one blade to allow at least a portion of a single blade to be received in a retaining relationship within the recess to cause an end-most blade in the stack to be received within said recess to follow the movements of the blade holder. A spring biases the blades in the blade compartment inwardly in the direction of the blade holder. A blade releasing disc on the blade holder selectively locks a blade to the blade holder when the blade holder is in the extended position. The blade holder only receives a single blade within the recess. A belt clip s provided on the compartment cover. | 11-11-2010 |
20110232103 | Cutting tool for opening package - A cutting tool for a package or the like, comprising an elongated, generally flat and thin housing. An elongated slit extends rearwardly and generally longitudinally from the front end of the housing through a portion thereof. A cutting blade is mounted within the housing and has a cutting edge extending into the slit at an inner portion thereof. An upper front end portion of the housing on one side of the slit has an outwardly extending barb for forming an opening in a package. A lower front end portion of the housing on the opposite side of the slit is tapered inwardly toward the front end of the housing to terminate in a narrow end that can be interested into an opening in a package formed by the barb to position an adjacent portion of the package in the slit where it can be cut by the cutting blade when the housing is moved relative to the package. | 09-29-2011 |
20110308090 | BLADE-SWITCHABLE UTILITY KNIFE - A blade-switchable utility knife of the present invention comprises a housing, a blade slider, a slide actuator, a switch actuator, a pair of blades and a pair of restoring elements. By manipulating the switch actuator, one of the pair of blades is capable of moving together with the blade slider. Accordingly, the present invention has advantages and effects of quick switch of the blades for use and convenient carrying. | 12-22-2011 |
20120017441 | COMBINATION DUAL BLADE KNIFE - A knife is provided. The knife comprises a handle and a utility blade mounted to a blade holder, the blade holder mounted to the handle and configured to move relative to the handle between a retracted position, in which the utility blade does not extend from the handle, and an extended position, in which the utility blade extends from the handle in an operative position. The knife further comprises a tanto-style blade mounted to the handle and configured to move relative to the handle between a closed position, in which a cutting edge of the tanto-style blade does not extend from the handle, and an open position, in which the tanto-style blade extends from the handle in an operative position. | 01-26-2012 |
20120174412 | UTILITY KNIFE USING TILTING STATUS THEREOF FOR BLADE SWITCHING - A utility knife using tilting status thereof for blade switching of the present invention comprises a housing, a blade slider, a switch actuator and a pair of blades. By tilting the housing, one of the pair of blades is capable of moving together with the blade slider. Accordingly, the present invention has advantages and effects of quick switch of the blades for use and convenient carrying. | 07-12-2012 |
20120227267 | DOUBLE-ENDED HAND KNIFE - The invention discloses a utility knife, including at least a utility knife body, which has a first end part and a second end part; the first end part is arranged with a first mounting bracket, and the second end part is arranged with a second mounting bracket. A first blade is arranged detachably on the first mounting bracket; a second blade is arranged detachably on the second mounting bracket. Users can select appropriate blades to work during operation, or alternatively use different blades to operate without replacing blades. When a blade on one end becomes non-serviceable, users can immediately switch to use the blade on the other end to continue operation, which prolongs the time of continuous work and enhances the efficiency. | 09-13-2012 |
20130025133 | PEELING TOOL - A peeling tool includes a main shaft, a handle affixed to a first portion of the main shaft, a nose rotatably coupled to a second portion of the main shaft, a blade assembly positioned intermediate the handle and the nose about the main shaft, the blade assembly including a first arcuate blade and a second arcuate blade defining a space therebetween for the passage of a slice of a food product, and a peel thickness adjustment mechanism, the peel thickness adjustment mechanism being actuatable to adjust a dimension of the space. | 01-31-2013 |
20130312269 | Fruit and Vegetable Decorative Cutting Device - A kitchen tool that cuts a zig-zag pattern into a vegetable or fruit which encompasses the total circumference is disclosed. This is accomplished by rotating two handles relative to each other so that movable blades, via cams, are forced into the fruit/vegetable. The movable blades are constrained to a linear motion by guiding surfaces in top and bottom plates along with cams and pins. The entire cutting assembly is readily cleanable by easy disassembly or thorough rinsing/washing. | 11-28-2013 |
20140053408 | BLADE-SWITCHABLE UTILITY KNIFE - The present invention relates to an improved blade-switchable utility knife. The utility knife comprises a housing, a blade slider, a slide actuator, a switch actuator, and a pair of blades. By switching the switch actuator, a corresponding blade is pushed and pressed by either a first auxiliary reacting portion or a second auxiliary reacting portion to remain in an operative position thereof, and is moved together with the blade slider. Accordingly, the present invention has advantages and effects of quick switch of blades for use and convenient carrying, etc. | 02-27-2014 |
20140373363 | Utility Knife - A utility knife including a housing and a blade carrier at least partially within the housing. The blade carrier is configured to receive a first blade in a first end of the blade carrier and a second blade in a second end of the blade carrier, and is movable within the housing between a first extended position, a retracted position, and a second extended position. When the blade carrier is in the first extended position, the first blade is extended outwardly from a first end of the housing, when the blade carrier is in the retracted position the first and second blades are disposed entirely within the housing, and when the blade carrier is in the second extended position, the second blade is extended outwardly from the second end of the housing. | 12-25-2014 |
20140373364 | UTILITY KNIFE - A utility knife including a handle having a slot that extends through a bottom side of the handle and a first blade holder that is pivotal with respect to the handle between an extended position where a blade is exposed and configured to cut a work-piece and a folded position where the blade is within the slot of the handle. The knife further includes a spare blade holder including a recess configured to receive a spare blade, and the spare blade holder is pivotal with respect to the handle between an open position where the recess is exposed to allow the spare blade to be removed from the spare blade holder and a closed position where the recess is within the slot of the handle to inhibit removal of the spare blade from the spare blade holder. | 12-25-2014 |