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 |
| 7121357 | Method of inserting a grounding rod A method of inserting a grounding rod includes providing an elongated grounding rod that has an upper end and a lower end and also providing a hammer drill. An elongated tubular member has an open first end and an open second end. The tubular member includes a first... | 10/17/2006 |
| 7032687 | Percussion device Percussion device, includes a housing and two movable bodies, an impact body for an impact pin protruding from the housing, and a balancing body for counterbalancing impact motions of the impact body. The housing includes springs, which constantly strive to bring th... | 04/25/2006 |
| 6785950 | Battery-powered wire insertion impact tool A battery-powered impact wire insertion tool that employs an electric motor to implement the impacting function. The electric motor is provided with suitable gearing that reduces its speed but increases its torque. An activator mechanism is employed to convert multi... | 09/07/2004 |
| 6725945 | Impact tool with improved operability An impact driver (1) includes a main housing (2) encasing a motor (5); an internal gear case (8) which is secured by screws to the main housing (2) and is provided with an externally threaded portion (12); and a hammer case ... | 04/27/2004 |
| 6655249 | Hammer (tool machine), specifically intended for impact cutters for cutting sections of wire and/or rods In order to avoid the recoil of the striker in a hammer device (tool machine) with a striker (18) that can be accelerated to strike velocity, and a tool carrier (14) receiving the impact of said striker, the invention proposes to arrange the striker (18) ... | 12/02/2003 |
| 6408951 | Automatic cable-cutting apparatus A cable-cutting apparatus includes a housing, a cutter rod with a fixed blade, an impact rod, a resilient unit for biasing the impact rod to press against the cutter rod, a rotating unit, and a driving unit. Normally, an engagement surface of the impact r... | 06/25/2002 |
| 6370993 | Spring loaded self actuating impact driver A self-contained impact driver includes an internal hammer, hammer spring and trigger. Pressing the driver against a fastener compresses the spring progressively until the end of the stroke, at which time the hammer is released by the trigger. The trigger... | 04/16/2002 |
| 6301772 | Module jack wire crimping/cutting tool A module jack wire crimping/cutting tool is constructed to include a barrel supported on a spring in a tubular handle, two arched stop elements forced by springs to releasably close the rear end of the barrel and to stop a spring-supported bolt in the bar... | 10/16/2001 |
| 6212758 | Wire termination tool having an improved impact shaft The present invention provides an impact shaft for use in a pneumatic wire termination tool. The tool has a handle, a pneumatically driven piston and a head frame for engaging and terminating a plurality of wires to a corresponding connector at the same t... | 04/10/2001 |
| 6182772 | Apparatus and method for driving posts into the ground A portable apparatus for driving a post into the ground is provided in an embodiment. The apparatus has a base removably attachable to the post as well as a hammer module tethered to the base to permit vertically reciprocating motion of the module relativ... | 02/06/2001 |
| 6089330 | Device for transmitting pulsed axial percussions to a bore-forming tool A device for transmitting pulsed axial percussions to a drill (12) and including a housing (2) one end of which is releasably connectable with a housing (3) of a hand-held rotary drill, a rotation transmitting element (7, 9) rotatably supported within the... | 07/18/2000 |
| 6085850 | Miniature impact tool A miniature impact tool in which a cam and cam follower assembly is utilized for moving a striker backward by converting rotary motion of a drive shaft to a linear motion. The striker is in contact with a spring/guide pin (plunger) assembly and is moved a... | 07/11/2000 |
| 6000477 | Apparatus for applying additional momentum Apparatus for applying additional momentum to the movement of a body adapted to reciprocate or flex through a substantially linear or arcuate path, notably of increasing the impact velocity of a linearly travelling weight upon an object. The apparatus inc... | 12/14/1999 |
| 5927585 | Electric multiple impact fastener driving tool An electric powered multiple impact fastener driving tool comprising a handle portion, a main body portion, a guide block, a magazine, and a guide and biasing assembly mounted in the guide block and affixed to the magazine enabling shifting of the magazin... | 07/27/1999 |
| 5836403 | Reversible high impact mechanism A reversible rotary wrench includes an impact mechanism for applying intermittent torque impulses to a load. The mechanism includes a rotatable shaft having an axis and adapted to be coupled to a motive source, a rotatable anvil for coupling to the load a... | 11/17/1998 |
| 5803183 | Miniature impact tool A miniature impact tool in which a cam is utilized for moving a striker backward by converting rotary motion of a drive shaft to a linear motion. The striker is in contact with a spring/guide pin (plunger) assembly and is moved away from a surface to be s... | 09/08/1998 |
| 5794325 | Electrically operated, spring-biased cam-configured release mechanism for wire cutting and seating tool A pistol-configured, electrically operated impact tool for seating and cutting a wire includes a D.C. motor whose output shaft has transversely extending, cam surface-engaging elements that engage a cam-configured impact element. As the output shaft is ro... | 08/18/1998 |
| 5503319 | Transmission mechanism for an electric stapling gun This invention relates to a transmission mechanism for an electric stapling gun and in particular to one including a cam fixedly mounted on an output axle of a gearing of the electric stapling gun and having two lobes such that an angle between the lines ... | 04/02/1996 |
| 5449044 | Miniature impact tool A miniature impact tool in which a cam is utilized for moving a striker backward by converting rotary motion of a drive shaft to a linear motion. The striker is in contact with a spring/plunger assembly and is moved away from a surface to be struck during... | 09/12/1995 |
| 5289887 | Method of operating an earth boring machine In a method of operating a ram boring machine having a rotatory-thrust drill rod an impact force is applied to the rear end of the drill rod. The boring machine includes a thrust unit and a striking tool that are combined to form a thrust/percussion aggre... | 03/01/1994 |
| 4919216 | Automatic impact driver An automatic impact driver for applying a large torque to a tip chuck by only pressing down a casing so as to remove corroded screws etc. A cylindrical slider freely movable in an axial direction is disposed in the casing, a cam mechanism is installed in ... | 04/24/1990 |
| 4852662 | Impacting mechanism An impacting mechanism for impacting a surface. An impacting mechanism having plungers spaced apart and adjacent allows fractured pieces to fly away and has a latch assembly that puts side loads on the plungers. An impacting mechanism having an impact plu... | 08/01/1989 |
| 4669552 | Power driving apparatus Power driving apparatus includes a body portion, a power supplying portion, an actuating portion, a drive portion, a biasing portion and a surface contacting portion. The body portion includes a vertically oriented elongated tubular section, the tubular s... | 06/02/1987 |
| 4641714 | Multiuse portable equipment for driving rotating tools, rotating percussion tools and percussion tools The present invention provides multi-use-portable equipment, particularly suitable for driving rotating tools, as well as percussion and rotating tools, and percussion tools only. More specifically, it provides portable equipment driven by a small combust... | 02/10/1987 |
| 4428439 | Adjustable, portable, hand-held impactor By providing an inexpensive, easily manufactured coil spring member as a cam surface which is spring biased and is controllably, reciprocatingly axially cycled by a rotating cam follower, an inexpensive, continuous operable, fail-safe, dependable, portabl... | 01/31/1984 |
| 4318446 | Linear motion impactor device A linear motion impactor device includes an impactor (28) which provides force to a hammer shank (56) only upon application of the hammer against a surface to be impacted thereby saving power and reducing noise during periods of non-use. The impactor (28)... | 03/09/1982 |
| 4171024 | Power hammer A power hammer having an elongated hammer element disposed in a tubular housing for reciprocating motion therein and having a cylindrical cam concentrically mounted with respect to the tubular housing for displacing the hammer element against the force of... | 10/16/1979 |
| 4165800 | Device for spring-loading a needleless innoculator The within improved innoculator is of the type that causes the injection of medication without a skin-penetrating needle, relying instead on a skin-penetrating jet produced by the force of a released compression spring, wherein the improvement resides in ... | 08/28/1979 |
| 4156375 | Apparatus for picking pin tumbler cylinder locks A motor driven rotary cam forces back a hammer against a spring and then suddenly releases it to provide an impact stroke to a pivoted massive lever which carries, at the end opposite the portion driven by a hammer, a lock pick needle held in a chuck. It ... | 05/29/1979 |
| 4103747 | Buffer spring for an impact tool A motor driven cam and spring impact tool having a buffer spring for absorbing energy when all of the energy cannot be transmitted out of the working tool into the workpiece. A hammer is carried in the housing and reciprocated by an annular cam and roller... | 08/01/1978 |
| 4082151 | Cam mounting for an impact tool A motor driven cam and spring impact tool with an improved mounting for the cam. The impact tool includes a driving shaft for rotation relative to the housing. A hammer is positioned in the housing for axial movement with respect to the housing. An annula... | 04/04/1978 |
| 4082152 | Cam mounting for an impact tool A motor driven cam and spring impact tool with an improved mounting for the cam. The impact tool includes a driving shaft for rotation relative to the housing. A hammer is positioned in the housing for axial movement with respect to the housing. An annula... | 04/04/1978 |
| 3937286 | Fence post driver A self-contained hand tool for driving fence posts into the earth and operable by an automobile battery, or the like. The tool comprises a sleeve member for receiving one end of the post therein, reciprocal hammer means disposed within the sleeve and inte... | 02/10/1976 |
