| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 030329000 | HOLDERS FOR DETACHABLE BLADES | 27 |
| 20090007435 | POWER CUTTER - A power cutter comprising: a housing | 01-08-2009 |
| 20090255134 | Cutting blade holder - A holder including a main section; a plurality of pockets on a first side of the main section, wherein each pocket is sized and shaped to receive at least a portion of a tool cutting blade therein; and mounting pins on the main section at respective entries into each of the pockets. Each of the mounting pins are sized and shaped to be inserted into a mounting hole of the cutting blade when the cutting blade is inserted into the respective pocket. Each pair of the pockets and mounting pins are adapted to cooperate to hold the respective cutting blades on the holder until the blades are removed by a user. | 10-15-2009 |
| 20110131819 | BLADE CLAMP FOR RECIPROCATING SAW - A jigsaw drive shaft is connected to a blade by the blade clamp of the present invention. The blade clamp comprises a clamp body mounted securely to the drive shaft by a bracket. The clamp body has a hollow portion formed to receive an upper portion the jigsaw blade. The clamp body also includes a hollow tubular extension. A cam body is pivotable about an axis through a cylindrical bore such that cam surfaces move in and out of contact with an interior surface of the clamp body to engage or release the blade. A spring biases the cam body into engagement with the clamp body surface. The user must press on a protrusion of the cam body to pivot the cam surfaces way from the clamp surface and against the force of the spring. | 06-09-2011 |
| 20120079726 | LOW FRICTION ROTARY KNIFE - A power operated knife comprises a blade supporting structure supporting an annular blade for rotation about a central axis. The blade and blade supporting structure are engagable along bearing contact locations that are spaced apart in a direction parallel to the axis so that the blade is stabilized both radially and axially as the knife operates. The blade supporting structure comprises a split blade housing member that is radially expandable and contractible to receive the blade. The split blade housing member and blade engage along relatively short lines of bearing contact that serve to minimize friction and blade heating when the knife operates. The bearing locations are spaced apart both circumferentially around the blade perimeter and in the direction of the axis so that the blade position is stabilized during operation of the knife. | 04-05-2012 |
| 20120297630 | CUTTING-ASSEMBLY MOUNT - A cutting-assembly mount for hair clippers includes an accommodating base, which can be fastened on the hair clippers, and an accommodating limb, which is mounted on the accommodating base and on which an interchangeable cutting assembly can be arranged. A blocking element is provided which can be moved between a pivoting position and a blocking position and is designed to be suitable for blocking a pivoting movement of the accommodating limb in the direction of the accommodating base without any cutting assembly arranged on the accommodating limb. | 11-29-2012 |
| 20130061479 | Safety Cutter with Improved Blade Storage Mechanism - A cutter apparatus includes a housing, a blade holder coupled to the housing, and a blade storage assembly including blade storage compartments, one of the blade storage compartments being configured to serve as a cover for another of the blade storage compartments. The housing includes a hood and the blade storage assembly is coupled to the hood (e.g., secured to the underside of the hood) such that the blade storage assembly is made accessible to a user of the cutter apparatus by repositioning the hood in relation to another portion of the housing. | 03-14-2013 |
| 030330000 | Pivoted part | 3 |
| 20110005087 | UTILITY KNIFE - A knife has a pair of housing parts relatively shiftable between an open position and a closed position and a base on one of the housing parts forming a blade seat. A holding arm mounted on the base is movable relative thereto between a blade-holding position retaining a blade in the seat and a blade-change position freeing the blade so that in the blade-change position the blade can be switched. Interengaging formations on the other housing part and on the arm shift the holding arm from the blade-holding position into the blade-change position on movement of the housing parts from the closed position into the open position. | 01-13-2011 |
| 20120180325 | PAPER CUTTER - A paper cutter comprises a cutter handle, a cutter head connected to the cutter handle, and a cutter blade mounted in the cutter head. The cutter head comprises a lower cutter head member defining an accommodation chamber for accommodating the cutter blade, and an upper cutter head member accommodating the lower cutter head member in an accommodation chamber with an open at one side therein. The lower cutter head member and the upper cutter head member are respectively made of a stainless steel sheet member by stamping. | 07-19-2012 |
| 20150328782 | KNIFE - The invention relates to a knife including a housing ( | 11-19-2015 |
| 030332000 | Knockdown holders | 4 |
| 20100229403 | Cutter Head of a Manually Guided Implement - A cutter head of an implement, comprising a cutting blade rotatably drivable about an axis of rotation. The cutting blade is provided with at least two blade wings that extend along a longitudinal axis in a radial direction relative to the axis of rotation. The cutting blade is clamped between two contact or pressure pieces, at least one of which is provided with at least one radially extending dampening projection that rests against at least one of the blade wings. | 09-16-2010 |
| 20120079727 | ROTARY CUTTERS - A rotary cutter head assembly for attachment to a head of a rotary cutter comprises an elongate band for attachment around an outer diameter of a rotary cutter head, the band having first and second end regions, an attachment arrangement for securing the first end region to the second end region, and a cutting element holder secured to the band for releasably receiving a filamentary cutting element. | 04-05-2012 |
| 030333000 | One movable side | 2 |
| 20110308094 | Carpet Knife - A carpet knife having a housing, an active blade installed in the housing, and a blade clamping means having a clamping cover and a thumb screw. The housing has a thumb screw hole, a pin hole, at least one side guiding groove, and an active blade installation bar. The clamping cover has at least one side guiding bar having a wedge outer surface, and a rear eccentric guiding groove. The thumb screw has a head having an under surface and a shank formed on the under surface. The head has a pin formed on the under surface thereof which is able to enter and move in the rear eccentric guiding groove. | 12-22-2011 |
| 20140202009 | Fixed Line Head for Flexible Line Rotary Trimmers - A trimmer head for use with a plurality of lengths of flexible cutting line in a flexible line rotary trimmer having a plurality of line holders rotatably mounted thereon. Each line holder defines a pair of laterally spaced apertures in an upper surface thereof, a passageway extending longitudinally therethrough, terminating in an extended end thereof and communicating with the laterally spaced apertures. An interior guide surface extends along a curvilinear path from the spaced apertures to the passageway and a web extends between the apertures whereby end portions of lengths of cutting line can be extended into and through the spaced openings, along the guide surfaces into and through the passageway and outwardly therefrom, whereupon lengths of line extend about and are held against the web with portions of the line projecting from the passageways in the line holders for the cutting of vegetation. | 07-24-2014 |
| 030335000 | Sliding-blade assembly | 5 |
| 20090113725 | Utility knife with retractable blade - An improved utility knife has a blade housing, a handle region, and an end cap. The end cap is removably attached to the handle region. The handle region is cylindrical, with a slight taper and includes an interior storage chamber. The blade housing has a blade channel for permitting retraction and extension of the blade. Clench plates hold the blade securely within the blade channel and are slidable within it. An axis of the blade-holding portion of the knife is tilted relative to the axis of the gripping portion. | 05-07-2009 |
| 20090165310 | Holder for a Surgical Knife Blade - Provided is a holder for a surgical knife blade enabling only the surgical knife blade stored in a case to be attached to the holder without coming into contact with the surgical knife blade, providing easy and safe attachment to the holder, and further enabling bacteria and the like to be prevented from adhering. | 07-02-2009 |
| 20100064531 | MULTI-TASKING UTILITY TOOL - A utility tool comprising a body having a first end and a second end positioned on opposite ends of the body; a removable device; as well as a first tool and a second tool configured to be selectively coupled to each other or one of either the first end and second end of the body. | 03-18-2010 |
| 20130298410 | MULTI-TASKING UTILITY TOOL - A utility tool comprising a body having a first end and a second end positioned on opposite ends of the body; a removable device; as well as a first tool and a second tool configured to be selectively coupled to each other or one of either the first end and second end of the body. | 11-14-2013 |
| 030336000 | Spring jaw type | 1 |
| 20140345147 | EXCHANGE MECHANISM FOR KNIFE - An exchange mechanism for a knife is disclosed. In some embodiments, a knife having a blade exchange mechanism includes a blade having a cutting edge and a blade tang, wherein the blade tang has an opening defining a hole to receive a pin, and a handle having an opening to receive the blade tang, the handle having a spring loaded bar coupled to the handle on a pivot, the spring loaded bar having a pin to be received in the tang opening defining a hole to exchangeably lock the blade in the handle. | 11-27-2014 |
| 030337000 | Interlocked blade and holder | 9 |
| 20090217536 | HAND TOOL WITH INTERCHANGEABLE TOOL ELEMENTS - A hand held cutting tool is provided for use with at plurality of different tool elements each having a two-sided shank portion of distinct longitudinal profile. The hand held cutting tool is described as comprising: (a) a barrel portion defining an equal plurality of longitudinally extending channels therewithin, with each said channel having a complimentary outline shape and otherwise dimensioned to receive one of said shank portions therewithin in close fitting relation, with a first side of said shank portion positioned adjacent the base of said channel; (b) one or more housing means mounted on the barrel portion for selectively contacting said shank portion remote from said first side to retain the respective tool element in mated held-fast relation within each said channel; and, (c) a handle portion attached to said barrel portion. | 09-03-2009 |
| 20100107424 | Blade release mechanisms for utility knives - A blade release mechanism for a folding utility knife is provided, and knife comprising: a handle comprising at least two side walls forming an internal space; a blade holding compartment connected to the handle, the blade holding compartment comprising at least two side walls, a first side wall having a cavity for holding a blade, a second side wall having a cavity for holding a blade release device, at least a portion of the blade holding compartment is designed to be situated within the space of the handle during a closed position, the blade holding compartment comprising an aperture leading from the cavity on the first side wall to the cavity on the second side wall; and a blade release device comprising a slidable portion having first and second opposing sides and at least one spring, the device comprises a blade contacting portion situated in the cavity of the second side wall and adapted to fit through the aperture and contact a blade during a locked position, and the first spring is extended to secure the blade contacting portion to the blade during the locked position, and the slidable portion is moved in a direction to contract the first spring to thereby separate the blade contacting portion from the blade to thereby release the blade from the blade holding compartment. | 05-06-2010 |
| 20100263219 | TOOL WITH ERGONOMIC HANDLE AND REPLACEABLE CUTTER HEAD - A tool includes an elongated handle with an end recess and a side notch for latching, and a plurality of different replaceable heads. Each replaceable head includes an elongated rectangular section shaped to fit stably into the recess for providing torsional and lateral support, an operative end, and a latch releasably engaging the side notch to retain the head in the recess. The different heads can include different operative ends with structure for providing different operative functions, such as a head with oppositely-positioned partially-shielded blade tips and/or with different blade throat sizes, a head with pizza-cutting wheel, a head with hammer or wrench feature, and the like. | 10-21-2010 |
| 20120180326 | CUTTER HEAD FOR PAPER CUTTER - A cutter head riveted to a cutter handle of a paper cutter and made by stamping a stainless steel plate into shape is disclosed, having a locking key on a middle part of a back side thereof for locking an inserted cutter blade. The locking key is a self-energizing resilient member having a locking portion for engaging into a locating notch in the top edge of the inserted cutter blade. | 07-19-2012 |
| 20130174426 | POWER TOOL CLAMPING DEVICE - A clamping device of a reciprocating power tool includes at least one clamping unit, which has at least one working-tool receiving element and has a variation element, disposed on the working-tool receiving element, for varying at least one parameter of the working-tool receiving element. The variation element is movably mounted on the working-tool receiving element and/or has at least two mutually differing working-tool receiving contours. | 07-11-2013 |
| 030338000 | Spring jaw type | 1 |
| 20110232107 | PIVOTING BLADE RETAINER - A saw blade clamping arrangement for a power can include a clamp support base that is operatively coupled for movement with a drive shaft and has a first and a second, saw blade slots. First and second locking members can be operatively associated with the clamp support base and be movable between a locked position that selectively locks the blade in one of the corresponding first and second slots, and an unlocked position that releases the blade. A release member can rotate to cause the first cam surface to urge the first locking member at least partially into the first slot and the second cam surface to concurrently urge the second locking member at least partially into the second slot. In another configuration, the release member can alternatively urge the first or second locking member into the respective slots. | 09-29-2011 |
| 030339000 | Apertured blade | 3 |
| 20090064507 | FOUR POINT UTILITY BLADE AND METHOD - A utility blade for use with conventional retractable and fixed blade utility knives comprising a blade body having a generally trapezoidal configuration defined by a cutting edge, an opposite back edge, a pair of opposing side edges and a pair of cutting points defined by the points of intersection between the side edges and the cutting edge. The blade further defines a pair of score lines, each proximate to one of the side edges. The score lines enable the user to remove a dulled or damaged cutting point, which in turn provides the user with two additional cutting points defined by the points of intersection between the score lines and the cutting edge. Further, the blade is configured with one or more notches strategically located on the back edge of the blade, such that each cutting point can extend from the utility knife at approximately the same distance. | 03-12-2009 |
| 20090071015 | BLADE CLAMP MECHANISM - A cutting tool clamp mechanism for a power tool includes a housing supported on a spindle, the spindle being configured to drive a cutting tool. A locking member is positioned in and movable with respect to the housing, the locking member including a slot extending through the locking member for receiving the cutting tool, the slot defined by at least one surface for engaging the cutting tool when the cutting tool is received by the slot. A biasing member is configured for applying a force to the locking member to bias the at least one surface of the locking member into engagement with the cutting tool when the cutting tool is received by the slot. The locking member is movable between an engaged condition, in which the slot receives the cutting tool into the housing in a first direction and the at least one surface of the locking member is engageable with the cutting tool to resist movement of the cutting tool in a second direction opposite the first direction, and a released condition, in which the locking member moves against the force of the biasing member and the at least one surface of the locking member is disengageable from the cutting tool. | 03-19-2009 |
| 20090071016 | BLADE CLAMP MECHANISM - A cutting tool clamp mechanism for a power tool includes a housing supported by a spindle, the spindle being configured to receive and drive a cutting tool. A clamping system is supported by the housing and a portion of the clamping system is movable relative to the spindle. The clamping system includes an actuator portion and an engaging portion coupled to the actuator portion. The clamping system has an engaged condition, in which the engaging portion is configured to secure the cutting tool to the spindle, and a released condition, in which the engaging portion is configured to disengage the cutting tool from the spindle. A biasing member positioned between the spindle and the clamping system biases the clamping system to the engaged condition. When the cutting tool is removed from the housing, the clamping system is configured to be held in the released condition, and upon insertion of the cutting tool into the housing, the clamping system moves from the released condition to the engaged condition. | 03-19-2009 |
