Bizarre Patents
Pizza Pie With Concentric Rings of Crust
A pizza mold for forming a plurality of concentric raised ridges of dough (i.e., crust) on the surface of a pizza pie.
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| Number | Title | Issue Date |
| 8166660 | Reciprocating saw A reciprocating saw having a housing, a reciprocating shaft unrotatably connected to a blade, a rear handle and a forward handle, the forward handle being rotatably mounted to the housing near the blade and capable of sliding relative to the reciprocating shaft, but... | 05/01/2012 |
| 7814666 | Linkage drive mechanism for a reciprocating tool Preferred embodiments of a reciprocating drive apparatus are disclosed that comprise a housing, a rotatable drive shaft assembly located in the housing an elongated plunger located in the housing for reciprocating motion, the plunger having a front end portion for a... | 10/19/2010 |
| 7596873 | Powered jigsaw machine In a hand-guided, motor-driven compass saw machine (1), having a housing (2) that contains a saw blade (3) that can be moved in the vertical direction by a lifter rod (4), and having an oscillation mechanism that has a roller lever (5 | 10/06/2009 |
| 7509744 | Mode selection mechanism for power tool and power tool incorporating such mechanism A mode selection apparatus for a jigsaw having scrolling and orbital modes is disclosed. The mode selection apparatus comprises a locking arm (76) moveable between a first position in which a scroller knob (56) is rotatable relative to the tool housing... | 03/31/2009 |
| 7424779 | Cutting tool A cutting tool is provided for preventing dust intrusion into a guide member effectively as well as cooling a housing, thereby maintaining an excellent operability. A cutting tool has a body housing including an upper housing and a lower housing. In front of a flang... | 09/16/2008 |
| 7363713 | Reciprocating power tool It is an object of the present invention to provide a useful technique for effectively reducing vibration in a reciprocating power tool with a simple structure. According to the present invention, a representative reciprocating power tool includes a motor, a tool bi... | 04/29/2008 |
| 7360311 | Drive mechanism for power tool A drive mechanism for a power tool having a housing, a motor, and an output shaft moving in a reciprocating motion. The drive mechanism comprises a gear plate (34) adapted to rotate about a first axis (Z-Z) and having a plurality of elongate first teeth (3... | 04/22/2008 |
| 7350302 | Jigsaw An outer peripheral surface of a cam has an apex disposed of distance from a rotational axis, a first region adjacent the apex opposite to the direction of rotation that increases in distance from the rotational axis during rotation, and a second region adjacent the... | 04/01/2008 |
| 7346990 | Rotary motor clipper with linear drive system A hair clipper includes a motor with a rotary output shaft, a bladeset including a stationary blade and a moving blade configured for reciprocation relative to the stationary blade, a drive system configured for transferring motion from the output shaft to the blade... | 03/25/2008 |
| 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 |
| 7281536 | Cutting machine using wire saw, cutting method using wire saw, and mobile machine having wire saw cutting machine A cutting apparatus that positions a wire saw driving device movably and appropriately at the desired site by freely moving an arm of a backhoe provided with a boom, which arm carries the wire saw driving device and is turnable and movable in upward, downward, leftw... | 10/16/2007 |
| 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 |
| 7254892 | Support mechanism for a reciprocating tool A support roller 15 for supporting a blade of a jigsaw having a scroller mode and a pendulum mode is disclosed. A roller support frame 18 supports the roller 15 and is mounted via a collar 32 to a drive shaft 10 of the jigsaw such ... | 08/14/2007 |
| 7256520 | Power tool with a self-supporting motor A power tool comprising an electric motor for driving a tool is disclosed. The electric motor comprises a shaft, an armature, and a brush collector. The stator is configured as a self-supporting unit comprising first and second supporting parts. One of the supportin... | 08/14/2007 |
| 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 |
| 7246533 | Reciprocating counterweight structure for a reciprocating saw A counterweight in a reciprocating saw counterbalances a reciprocating shaft assembly adapted to hold a saw blade. The counterweight is supported for reciprocating motion by slides which ride within slots formed in a housing adapted to hold the reciprocating mechani... | 07/24/2007 |
| 7234243 | Reciprocating cutting tool with orbital action A reciprocating cutting tool configured for orbital cutting, includes a housing, a power source disposed in the housing, a main linkage connected to the power source and to a blade for driving the blade in a vertically reciprocating motion, a foot plate connected to... | 06/26/2007 |
| 7225546 | Reciprocating power saw with secondary bearing element A reciprocating power saw, in particular a saber saw, with a housing (1), a motor-driven reciprocating stroke bar (2) that has a tool receptacle (3) at its free end, and a bearing means (4), which axially displaceably and pivotably bears ... | 06/05/2007 |
| 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 |
| 7216433 | Saber saw tool The present invention relates to a reciprocating saw tool (10) having a motor drive (17) with a reciprocating driver (21) for a tool (15) and having a mass equilibrating body (22). In addition, a device (20) is provided, whi... | 05/15/2007 |
| 7181850 | Saber saw having blade tiltable toward workpiece relative to saw body when cutting A light weight saber saw with reduced numbers of mechanical components and capable of preventing liquid and dust from entering interior of a housing. A plunger reciprocates only in its axial direction in conformity with a longitudinal direction of the housing. A bla... | 02/27/2007 |
| 7168169 | Anti-rotation drive mechanism for a reciprocating saw An anti-rotation reciprocating drive apparatus for a reciprocating saw utilizes a wobble plate assembly that includes a drive shaft and an elongated arm with an interface structure for engaging a spindle. The interface structure has two ball-type interfaces that are... | 01/30/2007 |
| 7131206 | Jig saw with laser alignment system A jig saw for more precise movement during cutting with a laser alignment system for projecting a marker onto a workpiece to align with a target line to be cut. The laser alignment system comprises a housing, a laser generator within the housing, an internal battery... | 11/07/2006 |
| 7127973 | Reciprocating saw A reciprocating saw, including a housing, a spindle mounted for reciprocation relative to the housing, the spindle having an end adapted to receive a saw blade, the saw blade having a first orientation relative to the spindle to have a first cutting direction and a ... | 10/31/2006 |
| 7117601 | Counterbalance mechanism The present invention relates to a counterbalance mechanism for a reciprocating power tool in which a rocker cradle operatively connects or is coupled to a rocker arm driven by a rotary transmission mechanism to drive a counterweight in the opposite direction to tha... | 10/10/2006 |
| 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 |
| 7024779 | Power saw A power saw includes a body (36) housing a motor (24). The motor drives a reciprocal shaft (2) on which a blade (12) is mounted. The body is coupled to a pivotable sole plate (48,50) which is held relative to the body (36) i... | 04/11/2006 |
| 7013552 | Method for forming an armature for an electric motor for a portable power tool An electric motor having an armature which includes a coating of thermally conductive plastic applied in a conventional injection molding process. The armature also includes a fan which is integrally formed from the thermally conductive plastic applied to the armatu... | 03/21/2006 |
| 6912788 | Blade storage compartment for power tool vacuum port A power hand tool of the type adapted to operate with one of a variety of elongated blades and being configured for vacuuming debris from an area near the blade during operation of the tool, wherein the tool includes a housing, a motor located within the housing, a ... | 07/05/2005 |
| 6877751 | Insertable tool connector An insertable tool connector includes a drive body, a bushing, a locking plate, a restoring spring, a positioning ring, and a push ring. Thus, the insertable tool connector that can be used to connect the tools of different types, such as the saw blade, the screwdri... | 04/12/2005 |
| 6829831 | Reciprocating saw with rocker motion A reciprocating saw. The saw including a housing, a spindle supported for reciprocation relative to the housing, the spindle having an end selectively supporting a saw blade, a motor for moving the end during a cutting stroke and a return stroke, and path defining s... | 12/14/2004 |
| 6769188 | Pendulum scroll saw A pendulum scroll saw including a lifting rod (1) for securing a saw blade (2), and a motor-driven entrain member (3) for reciprocating the lifting rod (1) with the lifting rod (1) having a guide surface (4) connectable with... | 08/03/2004 |
| 6758119 | Reciprocating saw with rocker motion A method of reciprocating a spindle of a reciprocating saw, including the steps of reciprocating the front end of the spindle along a first path during the cutting stroke and along the same first path during the return stroke, and adjusting the saw such that the fro... | 07/06/2004 |
| 6688005 | Plunger holding device for saber saw A saber saw includes a housing, a plunger supported within the housing and being free to reciprocate, and a swingable guide sleeve provided within the housing and connected with the plunger for imparting a swinging motion to the plunger. In the saber saw,... | 02/10/2004 |
| 6662455 | Cutting mechanism for a saber saw Two different eccentric shaft portions are formed on a secondary shaft. A contact plate has two different contact portions which are selectively brought into contact with two eccentric shaft portions of the secondary shaft. The contact plate is attached t... | 12/16/2003 |
| 6634107 | Cutting mechanism for a saber saw A counterweight is provided to cancel axial vibration of a plunger of a saber saw. Swing rollers, rotatably supported at both ends of a roller shaft provided at a rear end of the plunger, interpose between a pair of opposing tracks formed in an axially el... | 10/21/2003 |
| 6625892 | Reciprocating cutting tools A reciprocating cutting tool (1, 50) includes a slider (14, 51) that reciprocates linearly in a first direction. A rod or blade holder shaft (21) is movable with the slider (14, 51) in the first direction and is supported by the slider (14, 51) such that ... | 09/30/2003 |
| 6508151 | Reciprocating saw with rocker motion A method of reciprocating a spindle of a reciprocating saw, including the steps of reciprocating the front end of the spindle along a first path during the cutting stroke and along the same first path during the return stroke, and adjusting the saw such t... | 01/21/2003 |
| 6282797 | Cutting mechanism for saber saw A saber saw includes a housing. A motor is contained in the housing. A second shaft is rotatably connected to the housing, and is rotated by the motor. A plunger connected to the housing is used for holding a saw blade. The plunger is free to reciprocate.... | 09/04/2001 |
