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.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7160065 | Chuck with quick change A chuck includes a generally cylindrical body and a plurality of jaws reciprocally disposed in the body in communication with a central bore in the body. A first detent extends radially into the central bore and is releasable in a radially outward direction. Upon in... | 01/09/2007 |
| 7137457 | Hand-held machine tool A hand power tool, in particular a drill hammer or jackhammer, is disclosed, which has a guide tube (11), a tool holder (24) that can be attached interchangeably to the guide tube (11), and a locking device (23) that locks the tool holder... | 11/21/2006 |
| 7040630 | Chuck with quick change A chuck includes a generally cylindrical body and a plurality of jaws reciprocally disposed in the body in communication with a central bore in the body. A first detent extends radially into the central bore and is releasable in a radially outward direction. Upon in... | 05/09/2006 |
| 6761361 | Drill and drive apparatus with improved tool holder A drill and drive apparatus includes a tube assembly which defines a tool chamber. The apparatus further includes a tool holder which is configured to be at least partially received in the tool chamber of the tube assembly. The tool holder includes a holder body def... | 07/13/2004 |
| 6688610 | Chuck with quick change A chuck includes a generally cylindrical body and a plurality of jaws reciprocally disposed in the body in communication with a central bore in the body. A first detent extends radially into the central bore and is releasable in a radially outward directi... | 02/10/2004 |
| 6666114 | Magnetic connecting tube for a screwdriver head The present invention relates to a magnetic connecting tube for a screwdriver head with a main body, a push element, a spring element, a fastening ring, a block member and an engaging element. The main body having an engaging hole at one end thereof for r... | 12/23/2003 |
| 6612588 | Torque-transmitting arrangement An arrangement for transmitting a torque from a power tool to a working tool and including a shank forming part of the working tool and having following one another, in the operational direction of the working tool, first, second, third, and fourth region... | 09/02/2003 |
| 6570374 | Vacuum chuck with integrated electrical testing points A vacuum chuck with a conductive circuit embedded.onto it's surface wherein the chuck provides a reliable conductive path for electrical testing as well as reliable and uniform mechanical support over the entire area of a flexible panel to be tested. In o... | 05/27/2003 |
| 6554290 | Tool structure for clamping a tool head quickly A tool structure includes a tool having a rotation shaft formed with a central hole for insertion of the distal end of a tool. The rotation shaft is provided with a cover, and has an outer wall mounted with an elastic member and a drive member. A drive sh... | 04/29/2003 |
| 6533291 | Chuck having quick change mechanism A chuck includes a driver disposed on a chuck body and in engagement with the jaws so that at least one of rotation and axial movement of the driver with respect to the body opens or closes the jaws. A first detent is disposed in the body in communication... | 03/18/2003 |
| 6517297 | Chuck and assembly with bit A chuck 30,232 includes a pair of jaws 178,304,306 which are located within an axial opening 114,246 of a body 106,234 for receipt of a shank of a bit therein. A roller 186,238 is located in a slot 134,272 of the body 106,234 and can be pressed into the s... | 02/11/2003 |
| 6511268 | Tool device with reversible drill bit/screw bit A tool holder comprising an elongated connector means having a first end and a second end, where the elongated connector means has a central longitudinal hole, of a cross-section corresponding to a cross-section of a mounting portion of the tool bit, at t... | 01/28/2003 |
| 6505840 | Quick change chuck A chuck includes a generally cylindrical body having a nose section and a tail section. The tail section is adapted to rotate with the drive shaft, and the nose section has an axial bore formed therein. A driver is axially movably disposed about the body.... | 01/14/2003 |
| 6488452 | Drill and drive apparatus having arrangement to accommodate long drill bits A drill and drive apparatus includes a tube assembly which defines a tool chamber, the tube assembly including a shank adapted to be received within a chuck of a drill. The apparatus further includes a tool holder which is configured to be at least partia... | 12/03/2002 |
| 6398466 | Power drivable chuck A chuck 30 is formed with a generally cylindrical body 54 formed with a bore 60 at a forward end 58 thereof. A fixed clamp segment 134 and a movable clamp segment 166 are located in radial opposition in the bore 60. A pair of ribs 142 are formed on the fi... | 06/04/2002 |
| 6390739 | Power drivable chuck A body 52 of a chuck 30 has an axial opening 34 and is formed with three spaced radial slots 58 which receive three respective locking fingers 68 extending radially inward from a circular band 66. The band 66 is located outside of, and rotatable relative ... | 05/21/2002 |
| 6260281 | Blade mounting devices for reciprocating cutting tools A device for mounting a blade on a reciprocally movable blade carrier of a cutting tool includes a blade pressing member and a blade pressing surface formed on the blade carrier, so that the blade can be pressed against the blade pressing surface by the b... | 07/17/2001 |
| 6261035 | Chuck, bit, assembly thereof and methods of mounting A chuck 40 includes a body 42 having a plurality of angularly spaced ribs 166, 168 and 170 formed in a forward cylindrical opening 48 thereof. A locking element 236 is movable within a passage 180 of the body 42, and is formed with a defined portion 242 w... | 07/17/2001 |
| 6193241 | Tool drive system The tool drive system for use with a chuck having a throughbore including an outer bore portion for receiving a tool or tool holder and an inner bore portion constructed to receive and be mounted on an outer end of a motor shaft of a power tool comprises:... | 02/27/2001 |
| 6179303 | Device for accomodating a tool or a support element in a machine tool or a spindle A device for receiving a tool or support element in a machine tool or spindle has a tool carrier receiving member arranged in a machine tool or spindle and a tool carrier having a tool receiving member for a tool as well as a clamping device for securing ... | 01/30/2001 |
| 6179300 | Tool holder A tool holder for coupling of rotating and striking tools with hand power tools has a coupling sleeve, a drive member connectable to a hand power tool and transmitting a drive movement, the coupling sleeve being connected with the drive member, a tool sha... | 01/30/2001 |
| 6062779 | Tool attaching/detaching device Upper-and-lower cutouts (25a) and right-and-left cutouts are formed in a flange portion (23) of a holder main body (12). In a fore portion of the outer circumference of the flange portion (23), is provided a first operation ring (41), which is urged rearw... | 05/16/2000 |
| 6010154 | Trailer landing gear device This is a device for use in operating a trailer landing gear drive mechanism. The device comprises: an elongated, rigid, cylindrical body having a closed end portion which is coupleable to a rotatable drive shaft of a drive means, and an open end portion ... | 01/04/2000 |
| 5951024 | Enhanced grip tool holding chuck A tool holding device for holding a tool bit to a drive spindle includes a body member having an axially extending bore defined therein for receipt of a tool shank. The body member includes a plurality of axially extending segments defining the bore. The ... | 09/14/1999 |
| 5921563 | Quick release integrated collet and chuck device A quick release chuck device includes a body member having a frusto-conical chamber defined therein for receipt of a conventional collet. A plurality of weighted cam members are disposed around the circumference of the body member and include a first end ... | 07/13/1999 |
| 5826888 | Quick release chuck device A quick release chuck device includes a body member and a device for attaching the body member to a drive spindle. A longitudinal bore or recess is defined in the body member and a resilient coiled member gripping device is disposed in the longitudinal re... | 10/27/1998 |
| 5820136 | Quick release integrated collet and chuck device A quick release chuck device includes a body member having a frustoconical chamber defined therein with a collet device operably housed in the chamber. At least two longitudinally extending members are disposed equally spaced around the circumference of t... | 10/13/1998 |
| 5810366 | Tool-less machine tool chuck The chuck includes a slitted body with an axial bore that holds the tool shank during rotation of the chuck. A gripping sleeve applies compressive pressure via cam elements to reduce the diameter of the axial bore. A spring biased locking sleeve can activ... | 09/22/1998 |
| 5788021 | Automatic outputshaft locking mechanism for electric tools An automatic output shaft locking mechanism for electric tools, and particularly a locking mechanism in which the output shaft is driven by electric power and will automatically lock in position when it is turned by an external force, including a retainin... | 08/04/1998 |
| 5755448 | Quick release chuck device A quick-change chuck device has a body member having a recess defined therein for receipt of a circular tool shank. The body member includes a number of tapered slots defined therein in communication with the recess. An outer sleeve member is coaxial abou... | 05/26/1998 |
| 5577743 | Quick release chuck device A quick release chuck device includes a body member having an internal bore for receipt of a tool shank. The body member is matable to a drive spindle. A plurality of circumferentially spaced passages are defined in the body member, with each passage defi... | 11/26/1996 |
| 5352074 | Tool mounting apparatus A tool mounting apparatus comprises a main shaft including an insertion hole and a stop flange, and an insertion part including a main body, an annular engage member disposed around the main body, wedge members and an annular clamp member disposed outside... | 10/04/1994 |
| 5238341 | Connection system for connecting an interchangeable tool head to a tool spindle A connection system for connecting an interchangeable tool head to the spindle of a numerically controlled machine includes radially displaceable wedge members which when actuated radially to an outer clamping position provide for a clamping connection be... | 08/24/1993 |
| 5219174 | Drill chuck for a drill to be used particularly for surgical purposes A drill chuck is provided for surgical drilling machines in which the entire chuck is made of material permeable to X-radiation.... | 06/15/1993 |
| 5211693 | Drilling and chipping tool A drilling and chipping tool (1) has a holder (3) detachably connectable on a neck (2) on the tool (1) and the holder (3) includes a cap (4) arranged to fit over the neck (2). The tool (1) has a long direction and the cap (4) has teeth (5, 5a) on an inter... | 05/18/1993 |
| 5195761 | Chuck for tool inserts, especially screwdriver bits A chuck is provided for receiving and holding inserts having a non-circular shaft. The chuck includes a body having a non-circular cavity, and a capping sleeve rotatable on the body and extending beyond an end of the body. A locking plate is provided in t... | 03/23/1993 |
| 5157873 | Portable grinder with quick-acting chucking device A portable grinder (10) has a motor-driven drive shaft (15) and a quick-acting chucking device for a grinding tool (43), which comprises a spindle (20), coaxial with the drive shaft (15), which is braced against the drive shaft (15) by a spring (24) in th... | 10/27/1992 |
| 5037254 | Tool clamping device A tool clamping device comprises an axial sleeve having a forwardly tapering internal surface. A radially compressible ring is disposed on the internal surface. An axially compressible spring opposes axial movement of the ring while permitting axial rearw... | 08/06/1991 |
| 5005843 | Chuck mechanism for detachably connecting impeller shaft and drive unit of mixing apparatus Chuck mechanisms quickly connect and enable quick disconnection of an impeller shaft of a mixer from the drive shaft of the motor unit. A spindle has a keyway which enables a key, either a detent key which is movable in the keyway or a key which is provid... | 04/09/1991 |
| 4919023 | Quick-change tool adapter A quick-change adapter which allows the precise positioning of a working member such as a tool, a workpiece or the like with respect to a machining device has a precision of one or two ten-thousandths of an inch. The adapter includes first and second hold... | 04/24/1990 |
