Did You Know...
...that in the early 1940s GE engineer James Wright was charged with a task of utmost importance to the war effort: develop a cheap substitute for rubber that could be used to produce tires, gas masks and a whole host of military gear. Wright tackled the task diligently -- and wound up inventing Silly Putty.
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| Number | Title | Issue Date |
| 7784388 | Blade clamping device A blade clamping device comprises a main body which includes two opposited sidewalls and a base plate connected therebetween for defining a cavity for receiving a blade therein. A fixing device mounted between the two sidewalls. A pivot lever is pivotly mounted on t... | 08/31/2010 |
| 7441338 | Clamping device for toolless clamping of a saw blade A clamping device for toolless clamping of saw blades equipped with the clamping shank for a hand machine tool has two clamping parts that are pressable against each other. Each of the clamping parts is provided with a support surface for the clamping shank of a saw... | 10/28/2008 |
| 7362866 | Method for determining encryption algorithm of secret communication based on mobile country codes The present invention discloses a method for determining encryption algorithm used in security communication based on Mobile Country Code (MCC) number. In this method, a Mobile Country Code (MCC) number list is preset in a Core Network (CN), and all the MCC numbers ... | 04/22/2008 |
| 7328514 | Power tool bearing arrangement The invention relates to a power tool with a reciprocating blade, such as a jigsaw, in which the blade can have linear and pendulum movement components imparted thereon and also to a blade holder assembly. There is provided a bearing for a holder member which allows... | 02/12/2008 |
| 7325315 | Clamping arrangement for receiving a saw blade in multiple orientations A saw blade clamping arrangement for a power tool including a drive shaft and a saw blade releasably interconnected with the drive shaft for reciprocating motion along a longitudinal axis. The saw blade clamping arrangement includes a support mechanism interconnecte... | 02/05/2008 |
| 7290343 | Reciprocating stroke bar bearing A motor-driven saw has a gearing housing (4), which has at least two housing parts (6, 8), a stroke bar (10), which in operation executes a stroke movement in the direction of a stroke axis (26), and a reciprocating movement generator ( | 11/06/2007 |
| 7257900 | Canted saw blade A saw blade incorporates an integrated cant angle. The saw blade includes a cutting portion having a toothed edge and opposite edge. The toothed edge defines a cutting plane. A shank portion extends from the cutting portion and is laterally offset from the opposite ... | 08/21/2007 |
| 7251897 | Blade clamping device The present invention relates to a quick-change saw blade clamping device which includes an output shaft, a cylindrical rotatable sleeve and a torsion spring. The output shaft is coupled to a blade carrier which is disposed within the cylindrical rotatable sleeve. A... | 08/07/2007 |
| 7219587 | Hand-guided jig saw machine A hand-guided power jigsaw (10) with a jigsaw blade (33) which can be detachably clamped between the free ends of two essentially parallel arms (122, 222) preferably comprised of a U-shaped frame (22), in particular comprised of a tube, a... | 05/22/2007 |
| 7216434 | Electric-powered cutting machine An electric-powered cutting machine includes: an electric motor, a housing for the electric motor; a plunger driven by the electric motor to reciprocate; and a blade holding mechanism. The blade holding mechanism holds a blade at a tip end portion of the plunger. Th... | 05/15/2007 |
| 7210232 | Saw blade clamping mechanism for a power tool A saw blade clamping mechanism includes a holder connectable to a reciprocating shaft of a power sawing tool. The holder has a sliding way, a receiving slot for insertion of a saw blade, and a through hole in communication between the sliding way and the receiving s... | 05/01/2007 |
| 7114259 | Reciprocating saw A reciprocating saw, comprises: a housing [13], a plunger [15], a driving gear [7], a link shaft [4], a pushing member [9], a lifting member [11], a front end portion of said link shaft [4] rotatablely connect with a ... | 10/03/2006 |
| 7096589 | Bearing for a reciprocating shaft of a reciprocating saw An adjustable reciprocating saw has the ability to adjust the orientation of the saw blade in relation to the rest of the tool. The saw blade can pivot about two transverse axes, one parallel with and one perpendicular to the reciprocating motion axis of the saw bla... | 08/29/2006 |
| 7004045 | High thrust valve operator A high thrust operator for gate valves employs an inverted satellite roller screw assembly driven by an internally threaded cylinder carried within a bearing case. The cylinder is sized to provide a relief plenum within the case into which the roller screw assembly ... | 02/28/2006 |
| 6854373 | Scroll saw blade holder and adapter A blade holder and adapter for a scroll saw includes a slider within a slot in a scroll saw arm, with a retainer on the slider for receiving a scroll saw blade holder. An adjuster on the slider allows the slider to move within the slot and may be tightened to retain... | 02/15/2005 |
| 6848186 | Saw blade clamping device A blade clamping device includes a driving shaft and a base member fixedly mounted to the driving shaft. An opening is defined in the base member and a blade is inserted in the base member and connected to the driving shaft. A cam member is pivotably engaged with th... | 02/01/2005 |
| 6810782 | Detachable tool fixing mechanism and tool for use therewith A tool fastening mechanism has a housing 2, in which a clamping opening 3 is embodied for receiving a tapering tool shaft clamping end 4 of a tool part 5. The clamping opening 3 tapers inward in the introduction direction of the cl... | 11/02/2004 |
| 6742267 | Reciprocating saw A reciprocating saw including a housing, a motor supported by the housing, a spindle mounted for reciprocation relative to the housing and having a front end for supporting a saw blade, the spindle being movable through a cutting stroke and a return stroke, the cutt... | 06/01/2004 |
| 6725548 | Keyless blade clamp mechanism A reciprocating saw comprising a reciprocatable spindle having an end adapted to receive a saw blade, and a blade clamp mechanism connected to the spindle and adapted to attach the saw blade to the spindle. The blade clamp mechanism includes an actuating member moun... | 04/27/2004 |
| 6725757 | Scroll saw with a saw blade that is easy to replace A scroll saw includes upper and lower driving arms, a saw blade, a blade retaining unit, push rod, a biasing unit, and an actuating unit. The blade retaining unit includes a pivot seat mounted pivotally on a distal end of the upper driving arm, and an upper blade ho... | 04/27/2004 |
| 6711825 | Saw blade securing device A hacksaw includes a U-shaped frame and a handle connected to a first end of the frame and an engaging port is connected to a second end of the frame. A groove is defined longitudinally in the handle and a passage is defined in the handle. The passage intersects the... | 03/30/2004 |
| 6662698 | Saw blade clamp system A saw blade retaining apparatus is provided for selectively retaining one in a series of saw blades having unique thicknesses. The retaining apparatus includes a rocker arm supported by a pair of lateral walls. The rocker arm includes a contoured contact ... | 12/16/2003 |
| 6622602 | Device for slicing loaves and other bakery products A device (1) is provided for slicing loaves and similar bakery products. The device includes a stationary frame (2) including a support (4, 5) for supporting the loaves or bakery products. A blade carrier (10) holds a plurality of thin elongate cutting bl... | 09/23/2003 |
| 6619174 | Quick release saw blade chuck for a scroll saw A saw blade chuck includes a blade retaining unit, a biasing unit, and a pushing unit. The blade retaining unit is mounted pivotably on a driving arm of a scroll saw. The biasing unit and the pushing unit are disposed on opposite sides of and act upon the... | 09/16/2003 |
| 6530579 | Wedging blade clamp for scroll saw A wedging clamp assembly is provided for retaining a saw blade. A housing defining a vertical cavity therein is included in the assembly. The cavity includes a top end and a bottom end tapered with respect to the top end. Extending through a bottom end of... | 03/11/2003 |
| 6508003 | Universal saw adapter An adapter is provided for removably coupling a saw, including a tang portion having an aperture formed therein, to a tool. The adapter includes a base member and a clip pivotally coupled to the base member. The base member has first and second ends, and ... | 01/21/2003 |
| 6474211 | Saw-blade driving device for a scroll saw A scroll saw includes a machine base and a table mounted pivotally on the machine base for placement of a workpiece to be sawn. The table is rotatable about a horizontal axis that extends in a longitudinal direction of the machine base. A C-shaped blade-h... | 11/05/2002 |
| 6463840 | Blade adjusting device for string saw A blade adjusting device for a string saw includes a suspension arm having a support plate and a pivot chamber, a pivot arm having a first end pivotally mounted in the pivot chamber of the suspension arm and a second end defining a pivot chamber, a blade ... | 10/15/2002 |
| 6415515 | System, apparatus, and method for blade clearance tuning When connecting two elements that are moveable with respect to one another, some amount of clearance, i.e., spacing between the elements, is included to minimize friction between the elements. The present invention is directed to setting the clearance wit... | 07/09/2002 |
| 6327952 | Scroll saw A scroll saw including an adjustable tensioning mechanism is disclosed. The saw includes a housing having an inner surface and a pivoting arm having a rearward end disposed within an opening in the housing. A first blade clamp is disposed at the forward e... | 12/11/2001 |
| 6318222 | Apparatus and method for uniform even slicing A cutting implement with a blade, a handle, and a tip, used in conjunction with a planar support surface upon which food or a similar substance rests. The handle and tip cooperate to maintain the blade parallel to, and a pre-determined distance from, the ... | 11/20/2001 |
| 6308425 | Tool clamping mechanism for a power tool A clamping mechanism for a power tool which has a bayonet washer rotatably mounted on the end of a plunger so that the bayonet washer is rotatable between an open and a closed position. The bayonet washer is biassed towards the closed position by a torsio... | 10/30/2001 |
| 6290586 | Abrasive attachment for use with reciprocating saw This invention relates to reciprocating saws, and to abrasive sanding attachments and blades for such saws, to facilitate the oscillating, the reciprocating sanding, and the shaping of straight, curved, concave or convex surfaces, with abrasive cutting su... | 09/18/2001 |
| 6237231 | Keyless clamp assembly for reciprocating tool A clamp for the blade of a hand held reciprocating tool includes a spindle coupled to the drive mechanism. A slot is formed in the spindle for receiving the blade tang and a collar is threadably received on the spindle. A blade clamping member is disposed... | 05/29/2001 |
| 6233833 | Reciprocating saw with clamp for receiving blade in multiple orientations A reciprocating saw 11 with a keyless blade clamp 35 having a slotted-channel 37 in a clamp body 39 for receiving a blade 40 alternatively in first and second, intersecting cutting planes. The blade 40 may be alternatively oriented in four 90° offset ori... | 05/22/2001 |
| 6138364 | Variable angle reciprocating tool A hand-held reciprocating power tool, such as a reciprocating saw, wherein the angle of the reciprocation motion axis with reference to the longitudinal axis of the power tool motor housing is adjustable. Within a motor housing there is a motor driving a ... | 10/31/2000 |
| 6123004 | Bread slicer A bread slicing machine having blade frames and blades readily removable without wrenches or other tools, clamps between the blade frames and drive mechanism for removably securing the blade frames to the drive mechanism, the clamps each comprising a T-sh... | 09/26/2000 |
| 6105482 | Self-adjusting clamping device A clamping device for securing an object includes a body having a block and a pin mounted thereon. The block is movably mounted on the body and preferably may move relative to the body along a line that is oblique to a center line of the body. The block m... | 08/22/2000 |
| 6047477 | Compass saw In a sabre saw machine (10), having a device (20; 120) for chucking the saw blade (22; 122) on the lower end of its reciprocating rod (18; 118), wherein a chucking tube (34; 134), disposed so as to be axially displaceable by rotation on the reciprocating ... | 04/11/2000 |
| 6044743 | Scroll saw A scroll saw with an adjustable tensioning mechanism includes a housing having an inner surface and a pivoting arm having a rearward end disposed within an opening in the housing. A first blade clamp is disposed at the forward end of the pivoting arm and ... | 04/04/2000 |
