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 |
| 7367238 | Test apparatus using a pneumatic collet and method to clamp a bar A pneumatic collet assembly has a housing, a piston, a collet, and ball bearings. The piston is disposed within the housing. A bore within the piston receives the collet. The collet has a base and fingers. The fingers of the collet define a center channel or bore co... | 05/06/2008 |
| 7339158 | Rotary encoder A rotary encoder is clamped coaxially with its pickup shaft (14) on a drive shaft (12) which is to be measured. Two collet chucks are provided for this purpose. The one collet chuck is constructed as a clamping sleeve, which penetrates the pickup shaft... | 03/04/2008 |
| 7328903 | Chuck A chuck has an attachment device for attaching the chuck to a machine spindle and a collet with clamping jaws defining an insertion opening at an end of the chuck opposite the attachment device. A sliding sleeve surrounds the clamping jaws and is axially moveable in... | 02/12/2008 |
| 7303195 | Clamping apparatus with a chuck and a pallet releasably attachable thereto The clamping apparatus comprises a chuck member and a pallet releasably attachable thereto. The chuck member has four centering grooves, arranged offset to each other by 90° around the central Z-axis, while the pallet has four correspondingly located centering pins... | 12/04/2007 |
| 7293944 | Power tool with tool bit holder operator A power tool having a body, a tool bit holder protruding from the tool body for holding and rotating a tool bit about an axis of rotation, and an operator for operating the bit holder. The operator includes an annular member rotationally engageable with the bit hold... | 11/13/2007 |
| 7264429 | Tool free collet assembly A collet assembly, for selectively attaching a tool accessory to a tool, having a collet nut rotatably connectable to the tool, a collet compressible by the collet nut, and a torque application feature movably connected with the tool. The torque application feature ... | 09/04/2007 |
| 7175184 | Collect tool holder and method of making same A tool holder for a tool with a recess having detent disposed therein for holding the tool axially, and having a sleeve telescoped over a collet which has flexible fingers and with the sleeve and the fingers having camming surfaces for effecting clamping onto the to... | 02/13/2007 |
| 7147231 | Seal feature to prevent bending A gasket for statically sealing between two members is disclosed. The gasket includes a first generally planar portion having an inner perimeter and an exterior perimeter, and having a first surface and a second surface on an opposite side from the first surface. A ... | 12/12/2006 |
| 7036409 | Spring collet for machine tools In a spindle assembly for machine tools, the axial length λ of the collar of a spring collet is determined as a function of the axial course length c of a clamping sleeve operating spring collet. This axial length λ is preferably retained within an interval rangin... | 05/02/2006 |
| 6918637 | Wheel end system A wheel end for use in a vehicle wherein the wheel end includes a side shaft wherein the side shaft having an appendage on one end thereof. The side shaft having a cylindrical cavity at a center point of the appendage. The wheel end unit also includes a spindle arra... | 07/19/2005 |
| 6908264 | Quick change drill bit A quick-change core drill includes an adapter and a generally tubular drill barrel. The adapter comprises a first end adapted to be removably connected to a drill spindle and a second end adapted to be removably connected to the drill barrel. The drill barrel includ... | 06/21/2005 |
| 6533292 | Pull-to-close collet chuck A pull-to-close collet chuck for use with lathes equipped with servo-type bar loaders. The chuck is configured to be coupled to a lathe drawtube and translates linear movement of the drawtube to a work-gripping action to a collet. The chuck generally incl... | 03/18/2003 |
| 6435520 | High precision expanding mandrel with quick sleeve change The invention provides an expanding mandrel comprising a shaft (1) having a conical forward end (10), an expanding sleeve (5) constituted by a ring provided with longitudinal slits designed to slide over said conical forward end (10), the inner wall of sa... | 08/20/2002 |
| 6224067 | Hydromechanical chuck A hydromechanical chuck intended to be mounted, with one end thereof, in a machine, such as a drilling machine, milling machine, lathe machine etc. and, with the opposite end thereof to releasably hold a shaft tool like a drill, a milling tool, a rotary s... | 05/01/2001 |
| 6149165 | Collet assembly and manufacturing process An Improved Collet Assembly and Manufacturing Process is disclosed. Also disclosed is an improved collet that includes a spindle, a center portion comprising several tabs and a collar. The disclosed collet is manufactured from a single piece of stock, and... | 11/21/2000 |
| 6079916 | Rotary power tool with remotely actuated chuck A rotary power tool incorporates a remotely actuated chuck device. An engagement surface, such as a threaded or helical surface, is defined on an outer circumference of the chuck device over an axial length thereof. An actuator member is disposed concentr... | 06/27/2000 |
| 5997225 | Rotary power tool with remotely actuated chuck A rotary power tool, such as a router, includes an actuating device engaged with a chuck device to move the chuck device between its gripping and release positions. The actuating device includes a lever member that extends axially relative to a casing of ... | 12/07/1999 |
| 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 |
| 5907983 | Stud remover In a first embodiment, a hexagonal threaded nut includes a pair of horizontal slots about a peripheral portion extending through the nut into a central threaded bore. The slots form jaws which are tightened by pairs of vertical screws about a threaded stu... | 06/01/1999 |
| 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 |
| 5337521 | Valve grinder Valve grinder comprising a grinding wheel mounted on a bench, said bench also having a surface for supporting a valve stem support stand mounted a spaced distance from said grinding wheel, said valve stem support stand comprising a pair of V-blocks and va... | 08/16/1994 |
| 5110146 | Collet clamping and releasing yoke apparatus A collet clamp and releasing yoke apparatus having a support block and a cylindrical sleeve for receiving a collet. The collet is axially fixed, and the sleeve moves for contracting the collet to clamp a workpiece therein, and a yoke is employed for the c... | 05/05/1992 |
| 5002291 | Hydraulically operated chuck closing mechanism In an automatic screw machine two spindles are mounted coaxially one within the other and are keyed together for rotation in unison in the indexing head of the machine. The inner spindle has a collet on one end thereof; the outer spindle is shiftable axia... | 03/26/1991 |
| 4943071 | Collet adaptable to a machine-tool fitted with a chuck The invention concerns a collet adaptable to a machine-tool that includes a chuck for clasping a workpiece to be machined, the chuck comprising a front face, at least two clasping jaws moveably affixed to jaw position adjustment means and a control device... | 07/24/1990 |
| 4874314 | Socket to clampingly hold dental tools A socket, which receives a tool having a cylindrical shaft and which is mounted for rotation to rotate the tool, has an outer sleeve which receives a clamping sleeve and a ram for engaging a first end of the clamping sleeve. The first end of the clamping ... | 10/17/1989 |
| 4856693 | Working out container of bar shaped article This invention relates to a container for feeding a bar shaped article such as an erasing gum, a pencil lead, a crayon, a pastel, or an eyebrow stick, especially for advancing or retracting the bar shaped article. A bar shaped article (8) is inserted into... | 08/15/1989 |
| 4799696 | Chuck closing mechanism for automatic screw machine A pair of spindles are journaled coaxially one within the other in the indexing head of an automatic screw machine, and with the outer spindle disposed to be reciprocated axially between first and second limit positions in which it opens and closes, respe... | 01/24/1989 |
| 4690415 | Hydraulic nosepiece assembly for a collet closer, and method A method and apparatus are shown for closing a spring collet upon a work piece in a lathe or similar machine tool, in which neither the work piece nor the collet is moved in the longitudinal or axial direction. The collet closer has a nosepiece assembly within... | 09/01/1987 |
| 4681056 | Outboard motor extension handle assembly A marine propulsion device comprising a propulsion unit adapted to be pivotally mounted on the transom of a boat for pivotal movement relative to the transom about a generally vertical steering axis, the propulsion unit including a rotatably mounted prope... | 07/21/1987 |
| 4656727 | Tool mounting and demounting device for changing tools of a drilling machine A tool mounting and demounting assembly for a drilling machine includes a cylindrical support mounted on a rotatable drill shaft into which a tool holder can be inserted. The tool holder has a groove which is engagable by a hook of a tongue mounted on the... | 04/14/1987 |
| 4525111 | Slide-on rotary tools The present invention relates to rotary tool bits driven by electric tools where torque forces are transmitted to the rotary tool bits by way of adapting means through the shank portions of other tool bits already in the electric tools. These adapting mea... | 06/25/1985 |
| 4491252 | Dispensing device Disclosed are dispensing devices including an attachable dispensing lid adapted to be fitted to the open end of a package for particulate material especially ready-to-eat cereals. The dispensing device not only aids dispensing the particulate contents but... | 01/01/1985 |
| 4205487 | Workpiece holding apparatus for spindle finishing machines and the like A workpiece holding apparatus for spindle finishing machines and the like, the apparatus including a plurality of radially arranged workpiece holders mounted for rotation about a first axis and including cooperating gear elements for rotating each of the ... | 06/03/1980 |
| 4052788 | Tool for removing a snap-in bushing from a mounting panel hole A tool for removing a snap-in bushing type toggle switch or the like from a hole in a mounting panel. The tool is molded of plastic material and is provided with a spring-biased self-opening slidable chuck snap-in assembled within a compressor tube and is... | 10/11/1977 |
