Bizarre Patents
Mouthguard made at least partially from an edible candy
A mouthguard includes a U-shaped upper bite plate which removably fits over upper teeth of a person, with the entire upper bite plate being made from a soft, deformable and edible gummi candy.
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| Number | Title | Issue Date |
| 7850250 | Tool body for rotatable tool A rotatable tool has a tool body that is generally symmetrical about a longitudinal axis, an enlarged cutting head, and a rearwardly extending shank. The shank joins the enlarged cutting head at an annular flange having an annular inner portion contiguous with the f... | 12/14/2010 |
| 7469972 | Wear resistant tool In one aspect of the invention, a wear-resistant tool is disclosed which may comprise first and second cemented metal carbide segments chemically bonded together at an interface. The first segment may comprise a first coefficient of thermal expansion (CTE) at least ... | 12/30/2008 |
| 7458646 | Rotatable cutting tool and cutting tool body A rotatable cutting tool carried in a bore of a holder wherein the holder has a forward surface surrounding a forward end of the bore. The rotatable cutting tool includes an elongate cutting tool body that has a central longitudinal axis, an axial forward end and an... | 12/02/2008 |
| 7413257 | Rotatable cutting tool with reverse tapered body A rotatable cutting tool includes a cutting tool body that has an axial forward end and an axial rearward end. The cutting tool body further has an axial length. There is a hard tip, which has a distal end, affixed to the cutting tool body at the axial forward end t... | 08/19/2008 |
| 7360845 | Cold-formed rotatable cutting tool and method of making the same A cutting tool body includes a net-shaped steel body that has an axial forward end and an axial rearward end. The net-shaped steel body contains at the axial forward end thereof a cold-headed socket. The net-shaped steel body further contains a cold-headed puller gr... | 04/22/2008 |
| 7278500 | Roller cutter A roller cutter includes a hub having crushing members mounted on an outer periphery thereof, and a shaft on which the hub is mounted for rotation. Opposite ends of the shaft include respective spigots. Seals are disposed adjacent respective ends of the shaft and ar... | 10/09/2007 |
| 7278692 | Bit block with shroud protector A bit block for use in excavation and mining. The bit block is adapted to receive a bit and to be welded to equipment utilized for boring, drilling, trenching and mining. The bit block is designed to secure and protect the bit while it is penetrating rock and harden... | 10/09/2007 |
| 7014271 | Apparatus for detecting the state of rotation of cutting rollers of a shield tunneling machine An arrangement for detecting the state of rotation of cutting rollers (2) of a shield tunneling machine has at least one cutting roller (2) comprising a generator unit (12) that generates electrical energy when the respective cutting roller (... | 03/21/2006 |
| 6971451 | Firefighting penetration tool A firefighting penetration tool for penetrating a surface and ejecting a fluid into an area on fire. The firefighting tool includes a weighted head, a planar surface area affixed to the weighted head and an interchangeable penetrating body projecting from the planar... | 12/06/2005 |
| 6944977 | Drum for an excavator that can be used in particular for the production of vertical trenches in hard or very hard soils Excavator drum for the production of vertical trenches, including a cylindrical shell (22) mounted so sa to rotate about its axis of revolution and a plurality of excavating tools (28, 30) mounted on the external face of the shell. The tools include a ... | 09/20/2005 |
| 6935443 | Mini disk bit A small sized disk bit includes a bit holder accommodated in a bearing journal on its side (overhangingly), and a disk body with asymmetrically designed wedge flanks mounted rotatably thereon. To enable the disk body to absorb high radial and axial strong forces enc... | 08/30/2005 |
| 6926100 | Hole reaming apparatus and method An enhanced reaming apparatus and method are disclosed. A reaming assembly may have a motor and a pump that provide linear force, torsional force, and pressurized drilling fluid to a reamer to cause the reamer to enlarge the bore of a pilot hole. The reamer may have... | 08/09/2005 |
| 6863352 | Rotatable tool assembly A tool assembly includes an axially symmetric tool having a tapered forward end, a radial flange, and a cylindrical shank. A retainer is fitted around the cylindrical shank, a washer is fitted around the retainer, and an O-ring is fitted over the retainer behind the... | 03/08/2005 |
| 6854810 | T-shaped cutter tool assembly with wear sleeve The wear sleeve in the present cutter tool assembly comprises a rearward split ring portion and an intermediate cylindrical ring portion adjacent a forward shoulder portion. The outer diameter of the wear sleeve intermediate portion and rearward split ring portion i... | 02/15/2005 |
| 6779850 | Cutting apparatus having means for shielding cutting tool holders A cutting apparatus which includes a rotatable member having an outer surface and a plurality of cutting tool assemblies, wherein each assembly includes a cutting tool mounted in a holder. The cutting tool assemblies are mounted on the rotatable member so that the h... | 08/24/2004 |
| 6739327 | Cutting tool with hardened tip having a tapered base A cutting tool has a centrally located tungsten carbide insert brazed into a seat at the forward end of the tool. The seat has a circular mouth and rearward of the mouth is a frustoconical inner wall. At the bottom of the seat is a transverse surface. A tungsten car... | 05/25/2004 |
| 6712431 | Cutting arrangement A cutting arrangement (10) includes a pick holder (12) having a bore (14) containing a sleeve (16) within which a shank (18) of a pick (20) is located. The pick (20) and the sleeve (16) each have heads (22; ... | 03/30/2004 |
| 6685273 | Streamlining bit assemblies for road milling, mining and trenching equipment An improved bit assembly for road milling, mining, and trenching equipment includes a streamlined tip assembly that is a combination of conical and cylindrical in shape and devoid of protrusions or annular indentations that might impede the flow of remove... | 02/03/2004 |
| 6644755 | Fixture for a round shank chisel having a wearing protection disk A fixture for attaching a round shank chisel to a road milling machine or the like. The round shank chisel has a chisel head and a chisel shank. With a bearing surface the chisel head rests upon a wearing protection disk which in turn rests on and is supp... | 11/11/2003 |
| 6623084 | Mounting of a rotatable chisel in mining machinery A chisel arrangement for mining machines includes a rotatable chisel including a working part, a supporting flange arranged adjacent to the working part, and a shaft arranged adjacent the supporting flange, the shaft having a lug and an end flange at an a... | 09/23/2003 |
| 6607249 | Conical bit penetrator pocket protector for earth displacement equipment A conical bit penetrator pocket protector for earth displacement equipment for maximizing penetration into hard rock during trenching, drilling, mining, or boring operations. The bit penetrator pocket protector for earth displacement equipment includes a ... | 08/19/2003 |
| 6375272 | Rotatable cutting tool insert A rotatable cutting tool for impinging the earth strata wherein the cutting tool has a tool body with an axial forward end and an axial rearward end. A hard insert is at the axial forward end and a retainer is carried by a shank portion near the axial rea... | 04/23/2002 |
| 6371567 | Bit holders and bit blocks for road milling, mining and trenching equipment An improved bit holder with its mating bit block utilizes a slight taper in the bit block bore, and a tapered shank on the bit holder that includes a second larger diameter tapered distal segment that combines with an axially oriented slot through the sid... | 04/16/2002 |
| 6364420 | Bit and bit holder/block having a predetermined area of failure Improvements in bits, bit holders and bit blocks used in road resurfacing equipment and mining and trenching equipment provide for improved rotatable bit holders in the bit block, ease of removability of bits from bit holders and for predetermined points ... | 04/02/2002 |
| 6343842 | Roller bit for tunnel-driving machines with segmented cutting rings The present invention provides a roller bit for tunnel-driving machines. Pursuant to the invention, a cutting ring has at least two or more segments. Accordingly, it is possible to renew the cutting ring itself or different parts of the cutting ring segme... | 02/05/2002 |
| 6341823 | Rotatable cutting tool with notched radial fins A rotatable cutting tool for earth displacement equipment for maximizing penetration into hard rock during mining, trenching, drilling, or boring operations. The bit penetrator pocket protector for earth displacement equipment includes a body which define... | 01/29/2002 |
| 6244665 | Cutting toolholder with recessed groove for cutting tool removal A toolholder for securing a cutting tool used for mining and construction applications whereby the holder has a recessed groove to provide access to the underside of a flange on the cutting bit to promote removal of the cutting tool from the toolholder.... | 06/12/2001 |
| 6196636 | Cutting bit insert configured in a polygonal pyramid shape and having a ring mounted in surrounding relationship with the insert A cutting tool configuration includes a cutting bit insert configured in the shape of an octagonal pyramid. The cutting bit insert includes a number of portions, each of which has faces which slope at different angles with respect to the longitudinal axis... | 03/06/2001 |
| 6170917 | Pick-style tool with a cermet insert having a Co-Ni-Fe-binder A pick-style tool that includes an elongate tool body with an axially forward end and an axially rearward end, and a hard insert affixed to the tool body at the axially forward end is disclosed. The hard insert comprises a WC-cermet comprising tungsten ca... | 01/09/2001 |
| 6059373 | Pick holder extraction A pick holder (110) is frictionally seated via a round cylindrical barrel (112) in a pick box of a continuous miner. A pick is in operation rotationally located in a bore (114). The bore (114), toward a rear thereof, has an internal, inwardly projecting s... | 05/09/2000 |
| 5685615 | Eccentrically driven percussive tools for treating materials An apparatus for treating rock, minerals or similar materials includes at least two tool-bearing sleeves supported by bearings. The tool-bearing sleeves are arranged in eccentric relationship to a common drive shaft. The tool-bearing sleeves are counterba... | 11/11/1997 |
| 5308151 | Cutter wheel assembly for mining machine Mining apparatus is disclosed in which a cutting wheel supporting a plurality of roller-cutters rotates about a horizontal axis and is supported on a slewing boom for cutting a tunnel with a flat floor and roof and elliptical walls as it slews across a mi... | 05/03/1994 |
| 5295735 | Rock saw A device for cutting trenches in hard rock. A plurality of disc-like primary cutters are positioned on arms around a frame. The frame rotates about a central shaft and the center shaft is moved along horizontally in the direction the trench is to be cut. ... | 03/22/1994 |
| 5230548 | Longwall cutter drum having reduced production of dust A cutter drum has a sump ring and a plurality of vanes, the exterior surfaces of the sump ring and vanes being substantially smooth. The vanes and sump ring contain holes for receiving cutting bits for cutting material to be mined, the cutting bits being ... | 07/27/1993 |
| 5201569 | Mounting for receiving a mining pick bit The invention concerns a housing for receiving a mining pick bit in which the free spaces for taking up spoil between the housing and the shaft of the bit are provided into the housing. In this way a fully round shaft can be used, which rotates more easie... | 04/13/1993 |
| 4913125 | Cutter picks A mineral cutter pick and its pick box are secured together through a spigot and socket connection. Opposed end faces of the pick and holding device that surround the connection have laterally oppositely inclined surfaces at opposite sides of a central pl... | 04/03/1990 |
| 4815543 | Activated rock cutting assembly A rock cutting assembly consists of a rock cutting roller, a shaft on which it is mounted, and a means for varying the mass of the assembly about the drive axis, to vary the balance of the assembly about that axis. Preferably two rollers are mounted on a ... | 03/28/1989 |
| 4784438 | Tunneling machine rotatable member Twin combined radial-and-thrust antifriction bearings in a mounting for a rotatable member, such as a tunneling cutterhead or a tunneling cutter, can be tightened or preloaded by pressing spaced bearing races against a spacer ring therebetween to contract... | 11/15/1988 |
| 4736987 | Rock cutting assembly A rock cutting assembly which includes a rock cutting roller with the roller being composed of a central hub portion and an annular cutting element which is rotatably mounted on the hub and carries rock cutting formations, means for driving the hub portio... | 04/12/1988 |
| 4542942 | Bit holder equipped with a spraying device A bit holder equipped with a spraying device, comprising a receiving bore (2) in which the bit shaft (3) is supported, for limited axial shifting movement and optionally for being rotated, shifting movement of the bit shaft (3) in direction of the cutting... | 09/24/1985 |
