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 |
| 7798042 | Reciprocated knife having an integral tangent axis orientation drive A reciprocated knife cuts pattern work material pieces without rotating a housing tube for orientation of the cutting knife. An integrated tangent axis drive motor orients the cutting knife, eliminating any inertia caused by the cutting housing tube and preventing t... | 09/21/2010 |
| 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 |
| 7054708 | Sheet material cutting system and methods regarding same A system and/or method for cutting designs of text and/or shapes out of sheet material, such as paper, vellum, and other materials used in, for example, the scrapbooking and card making industries. ... | 05/30/2006 |
| 7003887 | Shoe clamping mechanism for power tool and power tool incorporating such mechanism A mechanism is disclosed for clamping a jigsaw (1) shoe in a desired position relative to the body of a power tool. A plurality of gear (22, 26) teeth are used to allow greater torque and access as compared to prior art clamping mechanisms. ... | 02/28/2006 |
| 6979153 | Deep-grooving insert having stepped cutting edge A deep-grooving chip-forming cutting insert includes a rear mounting portion, a front cutting portion, and a pair of side walls, each side wall extending along the front and rear portions. The front cutting portion includes a front end surface, a top surface, and a ... | 12/27/2005 |
| 6843155 | Pattern cutting A method of cutting pattern pieces from a continuous roll of material comprising the steps of unrolling said material unto a rotating cylindrical cutting surface, and then cutting said material while said material is in rolling contact on said cylindrical surface du... | 01/18/2005 |
| 6550365 | Coping saw A coping saw includes a housing and a flexible conveyor belt supported by at least three balancing wheels being supported rotatably on said housing. A saw blade is connected with one end of an upper saw blade holding mechanism and one end of a lower saw b... | 04/22/2003 |
| 6164177 | Pilot device for a suspended knife of a cutting machine for cutting sheet material Pilot device for a suspended cutting knife of a cutting head of an automatically controlled cutting machine. The cutting head is moved along the X and Y axes and pivots about the Z-axis. The cutting knife is reciprocally movable along the Z-axis. The cutt... | 12/26/2000 |
| 6142047 | Pilot device for a suspended knife of a cutting machine for cutting sheet material Pilot device for a suspended cutting knife of a cutting head of an automatically controlled cutting machine for cutting fabric sheet material spread out on a cutting table in multiple layers. The cutting head is controlled by moving the cutting head along... | 11/07/2000 |
| 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 |
| 5988034 | Blade mounting device in cutting tool A blade mounting device is operable for mounting a blade on a drive shaft of a cutting tool which is moved in a predetermined motion for a cutting operation. The blade mounting device includes an operation knob mounted on a body of the cutting tool and ad... | 11/23/1999 |
| 5832611 | 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 ... | 11/10/1998 |
| 5765463 | Blade mounting device in cutting tool A blade mounting device is operable for mounting a blade on a drive shaft of a cutting tool which is moved in a predetermined motion for a cutting operation. The blade mounting device includes an operation knob mounted on a body of the cutting tool and ad... | 06/16/1998 |
| 5687629 | Pilot device for a suspended knife of a cutting machine for cutting sheet material An automatically controlled cutting machine for cutting multiple layers of fabric sheet material spread out on a cutting table, the cutting machine including a cutting tool which is rotatable about a Z-axis and which includes a cutting knife mounted on a ... | 11/18/1997 |
| 5687625 | Pilot device for a suspended knife of a cutting machine for cutting sheet material An automatically controlled cutting machine for cutting multiple layers of fabric sheet material spread out on a cutting table, the cutting machine including a cutting tool which is rotatable about a Z-axis and which includes a cutting knife mounted on a ... | 11/18/1997 |
| 5626065 | Cutting device with automatic sharpener The present invention pertains to a device for cutting materials and including a straight blade 10, to which are connected two sharpening units 13, 14 with angulation complementary to that of the cutting edge of the blade. Each sharpening unit 13, 14 comp... | 05/06/1997 |
| 5501132 | Dry preparation of particulate solid energetic material Energetic material can be rapidly cut or machined at high speed in the substantial absence of liquid coolant with a cutting tool having a rotating cutting surface by maintaining a portion of the cutting surface out of contact with the energetic material a... | 03/26/1996 |
| 5299483 | Cutting apparatus for foam sponges having irregular contours A cutting apparatus for foam sponges with irregular contours comprises a foam sponge clamping mechanism, a cutter driving mechanism, a cutter rotating mechanism, a template, and a main frame. The main frame is equipped with a vertical frame on which are m... | 04/05/1994 |
| 5063807 | Saw such as a jig saw or scroll saw The invention pertains to a saw, in particular to a jig saw or scroll saw, with a saw blade which is driven by a force acting on a parallelogram of rods. A saw blade is attached to a connecting shank which joins two longitudinal side arms. The two longitu... | 11/12/1991 |
| 5040442 | Laminate cutting apparatus A laminate cutting apparatus includes a cutter head moved horizontally back and forth above a support member which supports a laminate, and a cutting member and piercing blade mounted on the cutter head, with the cutting member comprising a knife-shaped c... | 08/20/1991 |
| 4879935 | Reciprocating knife cutter with flexible drive portion A cutter in which a reciprocating knife is driven by an eccentric mechanism. The knife has a drive portion that flexes laterally in a plane perpendicular to the drive axis of the eccentric mechanism. The eccentric drive axis is offset along the perpendicu... | 11/14/1989 |
| 4841822 | Cutter head and knife for cutting sheet material A cutting head for cutting spread sheet material and using a vertically reciprocating knife achieves a light-weight, low cost, low maintenance and high stroking speed design through a unique combination and arrangement of parts wherein the knife drive mot... | 06/27/1989 |
| 4693009 | Scroller jig saw A scroller jig saw has a pivoted locking lever spring biased into engagement with a rotatable scrolling control assembly to lock the latter, and therewith the saw blade, against rotation. A cam, preferably rotatably mounted on the scrolling control assemb... | 09/15/1987 |
| 4664009 | Method and apparatus for cutting particularly compacted crop harvest or silage material A method and apparatus for cutting compacted crop or silage material are accomplished by a pair of oppositely reciprocating blades which have a pivotal motion about a line lengthwise of the cutting blades.... | 05/12/1987 |
| 4592144 | Molded scroller saw lock button spring For a powered hand tool having a plastic housing and requiring a slide button with a detent action for at least two positions with an audible indication of the transition from one position to another position, a plastic spring molded as part of the housin... | 06/03/1986 |
| 4545275 | Blade for severing fibrous material An elongated blade has a notch in its leading edge, with parallel chisel edges adapted to chop through the oriented fibers (boron or graphite) of uncured sheet material as the blade is reciprocated vertically at a high frequency relative to its forward ve... | 10/08/1985 |
| 4436013 | Reciprocating cutting apparatus with theta dither An apparatus for cutting sheet material spread in one or more layers over a supporting surface uses a reciprocating cutting blade cutter movable in two coordinate directions in the plane of the supporting surface to enable the cutting blade to follow a de... | 03/13/1984 |
| 4391170 | Apparatus for working on advancing sheet material A machine for cutting an elongated layup of sheet material has a conveyor table for supporting the material and advancing it while it is being cut. A carriage assembly moves a cutting tool in cutting engagement with the material on the conveyor table in r... | 07/05/1983 |
| 4380944 | Method for cutting sheet material with variable gain closed loop A method for cutting limp sheet material with a rigid, cantilevered blade that is reciprocated as it advances along a cutting path through sheet material employs a load sensor to measure lateral loads applied to the blade by the sheet material during cutt... | 04/26/1983 |
| 4336732 | Device for cutting out and transporting a silage block A device for cutting out and transporting a silage block, comprising a main frame which may be connected to a tractor and which comprises an at least approximately horizontal cross-beam, which carries a plurality of parallel tines and to which an upstandi... | 06/29/1982 |
| 4331051 | Apparatus for cutting sheet material with variable gain closed loop An apparatus for cutting limp sheet material with a rigid, cantilevered blade that is reciprocated as it advances along a cutting path through sheet material employs a load sensor to measure lateral loads applied to the blade by the sheet material during ... | 05/25/1982 |
| 4328726 | Apparatus and method for working on successive segments of sheet material Apparatus for cutting patterns from successive contiguous segments of an elongated layup of sheet material has a zoned vacuum table which includes an endless bristle mat conveyor, for shifting a layup along the table to position a segment of the layup in ... | 05/11/1982 |
| 4327615 | Method and apparatus for cutting sheet material with preprocessed data A method and apparatus for cutting multi-ply layups of limp sheet material employs an automatically controlled machine with a knife blade and a controller for guiding the blade along cutting paths defined by a marker of pattern pieces. The marker contains... | 05/04/1982 |
| 4236432 | Fret saw blade having saw-teeth provided with sets and an automatic fret sawing machine having the fret saw blade In a fret saw blade having a shank portion and saw-teeth, the saw-teeth are formed in a manner that the centers of the cutting edges of some saw-teeth are depressed and deformed generally in V-shape so as to form sharp ends projecting beyond the side surf... | 12/02/1980 |
| 4178820 | Method and apparatus for cutting sheet material with improved accuracy A method and apparatus for cutting pattern pieces from sheet material with an automatically controlled cutting machine utilizes special control techniques for guiding a reciprocating cutting blade accurately along a desired cutting path defined by the pat... | 12/18/1979 |
| 4133235 | Closed loop apparatus for cutting sheet material A method and apparatus for cutting sheet material utilizes a closed loop automatically controlled cutting machine having a reciprocating cutting blade as the cutting tool. Sheet material to be cut is spread in multiple plies to form a layup, and the cutti... | 01/09/1979 |
| 4133234 | Method and apparatus for cutting sheet material with improved accuracy A method and apparatus for cutting pattern pieces from sheet material with an automatically controlled cutting machine utilizes special control techniques for guiding a reciprocating cutting blade accurately along a desired cutting path defined by the pat... | 01/09/1979 |
| 4116101 | Automatic fret sawing machines In an automatic sawing machine wherein a workpiece is moved in two orthogonal directions by a profile control or a numerical control so as to cut a groove of a predetermined profile, the opposite ends of the fret saw blade are synchronously driven by inde... | 09/26/1978 |
| 4091701 | Cutting machine having roller blade guide A cutting machine having a table on which multi-ply layups of sheet material are positioned during cutting operations utilizes a reciprocating cutting blade that is suspended in cantilevered fashion above the table and lowered into cutting engagement with... | 05/30/1978 |
| 4055894 | Saber and reciprocating saw blade turning control arrangement To provide a directional guiding mechanism for saber type and blade control in tools, having a motor, a manipulating handle and a reciprocating shaft in a housing, to which shaft a saw blade, etc., is attached. One concept of the invention is achieved by the u... | 11/01/1977 |
