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 |
| 7383611 | Castors A support structure for a castor, a castor provided with such a support-structure, and a castored trolley is described. The support structure comprises a first member 5, a second member 3 that is rotatable with respect to the first member about a pivot... | 06/10/2008 |
| 7311329 | Anti-tip wheel for a wheelchair A wheelchair is provided with front anti-tip wheels adapted to assist the wheelchair in mounting an obstacle that the wheelchair approaches obliquely. The anti-tip wheels may function as casters, capable of rotating about a vertical axis, or may be fixed for rotatio... | 12/25/2007 |
| 7308730 | Base member for swivel caster A base member for swivel caster comprises a fixed base, a rotation base and a hollow staff. The fixed base includes a ring member, and a plurality of first raceways lathed in an inward surface of the ring member. A support cavity is defined through a center of the r... | 12/18/2007 |
| 7305737 | Roller/foot device castor A roller/foot device (1) comprising a cylindrical outer sleeve (10), a guide sleeve (20) arranged inside the outer sleeve (10), locking sleeve (30) arranged inside the outer sleeve (10), a spring device where one end abuts a... | 12/11/2007 |
| 7284299 | Caster A moveable body includes at least one caster. The caster has a yoke, a wheel supported on the yoke, and an interface member for attaching the caster to the moveable body. Additionally, the caster is configured so that a noise level of the moveable body as the moveab... | 10/23/2007 |
| 7226062 | Recreational wheelie vehicle An amusement-type vehicle is provided particularly for doing so-called wheelies having a short wheel base upon a platform-type base with at least two side by side wheels forwardly and one wheel rearwardly upon which wheelies are performed and having a central handle... | 06/05/2007 |
| 7213815 | Mechanic's creeper A mechanic's creeper (10) includes a pad (12) supported between a plurality of side rails (14) by a plurality of crossbars (15). The side rails (14) are of tear-shaped cross section such that no sharp edges are provided adjacent to... | 05/08/2007 |
| 7213818 | Stroller having wheel rotation control device A stroller includes a wheel, a rotation control device mounted above the wheel, and a wire control device mounted on a position that facilitates operation of a user and connected to the rotation control device to lock and unlock the rotation control device between. ... | 05/08/2007 |
| 7211744 | Snap-in cable connector A connector for an electrical box having a base that has an opening. A cavity is formed by a wall extending from the base. The cavity is aligned with the opening to form a passageway through the connector to receive electrical cable. At least two fingers extend inwa... | 05/01/2007 |
| 7210690 | Direction-limiting device for stroller A direction-limiting device for a stroller includes a mounting seat, a wheel assembly, and a direction-limiting device. The mounting seat includes a base coupled to a frame of a stroller. The wheel assembly includes a frame having a positioning hole. The direction-l... | 05/01/2007 |
| 7137603 | Apparatus for providing desktop mobility for desktop electronic devices A desktop electronic device translates on a desktop from a first position to a second position through use of at least one mobility assembly. The mobility assembly(s) may be integral with the desktop electronic device, connected to the desktop electronic device, or ... | 11/21/2006 |
| 7100236 | Buffer structured castor wheel for vacuum cleaner Buffer structured castor wheel for a vacuum cleaner, which is modified and disposed appropriately for preventing the vacuum cleaner from bitting a wall and the like directly, including two or more than two castor wheel assemblies fitted to a front bottom of a vacuum... | 09/05/2006 |
| 7065828 | Caster assembly with drawn kingpin rivet A caster assembly including a unique drawn kingpin rivet formed of stainless steel or other material of appropriate toughness which compressively holds the components of the caster assembly together. ... | 06/27/2006 |
| 6959933 | Twin line skates A wheeled skate includes a shoe cradle for receiving a user shoe, the shoe cradle having opposing first and second shoe cradle sides; a wheel mounting structure; a wheel mounting structure elevation mechanism interconnecting the shoe cradle and the wheel mounting st... | 11/01/2005 |
| 6955368 | Quick assembly, minimal effort carriage for moving heavy objects A kit used for mobilizing heavy objects such as items of furniture, boxes, appliances, etc. The apparatus is based on a plurality of rigid support structures, or “shoes”, which are to be inserted under the corners of the item to be moved. Those support structure... | 10/18/2005 |
| 6931692 | Kingpin-free caster assembly A kingpin-free caster in which a plate is assembled onto a yoke with ball bearings therebetween and the plate is deformed in place upon the yoke to capture the ball bearings between the yoke and plate and couple the yoke and plate together against removal. ... | 08/23/2005 |
| 6877185 | Caster device for movably supporting a load A caster device is disclosed for movably supporting a load. The caster device includes a wheel for supporting the load and a wheel support having a first and a second extremity. The first extremity of the wheel support supports the wheel for rotation of the wheel ab... | 04/12/2005 |
| 6530119 | Caster structure A caster structure including a seat body, a linking member, a caster seat and a lower bearing cover. The linking member is integrally formed with an upper bearing cover. The seat body is formed with a differential fixing hole and the top of the linking me... | 03/11/2003 |
| 6502280 | Lightweight high capacity industrial caster A lightweight high capacity industrial caster which has three major parts, an upper assembly, a lower assembly, and a roller assembly. The upper assembly includes an upper plate with a first top surface and first bottom surface, the first bottom surface h... | 01/07/2003 |
| 5983451 | Heavy duty double-ball pinless caster A pinless caster assembly comprising a first substantially "T"-shaped part and a second substantially ring-shaped solid part, said first and second parts interfitting with bearing elements and when interfit providing races for the bearing elements and the... | 11/16/1999 |
| 5809612 | Anti-Shimmy caster wheel Mounting A assemblage for mounting a caster wheel on a depending stationary post on a wheeled load carrier comprises a body element having a cylindrical chamber concentrically surrounding the support post. The body element has a bracket for mounting a caster wheel... | 09/22/1998 |
| 5593461 | Method of manufacturing a caster with a fouling-resistant bearing cup feature A method of manufacturing a caster includes the step of integrally forming a caster horn having a web portion with a bearing cup and a pair of opposed leg portions. The web portion and the leg portion define a U-shaped, wheel-accomodating space. The beari... | 01/14/1997 |
| 5479677 | Caster device A caster device for supporting a push cart includes a cap member having a flat top fixed to the push cart and a circular side wall. The circular side wall of the cap member has an inwardly curled lower edge. An inverted and truncated conical ring member h... | 01/02/1996 |
| 5461753 | Seal for swivel caster assembly A seal for a swivel caster assembly is disclosed. The seal protects the first ball bearing set of the assembly. The seal has a V-shaped cross section formed by seal legs that are joined at a bight and extend radially inward, and are in surface contact wit... | 10/31/1995 |
| 5390393 | Caster with a fouling-resistant bearing cup feature A caster includes a U-shaped caster horn having a top web portion and two contiguous downwardly-extending leg portions to define a unitary, U-shaped member providing a wheel accommodating space. A wheel is rotatably supported in the space such that the ca... | 02/21/1995 |
| 5287594 | Shopping cart swivel yoke assembly with plastic bearing races An improved swivel yoke assembly for use on shopping carts. The yoke assembly is of the type having a steel yolk with forks which support a wheel. The yolk is permitted to swivel because it is supported between an upper and a lower set of ball bearings. T... | 02/22/1994 |
| 5199131 | Thermoplastic caster assembly A caster assembly has a stem and ball bearing retainer made of a single homogeneous unit of reinforced plastic, a horn made of a single piece of reinforced plastic, a bottom bearing retainer made of a single piece of reinforced plastic, an upper set of ba... | 04/06/1993 |
| 4777697 | Caster wheel mount apparatus with separate load carrying and swivel ball bearings Caster wheel mount apparatus is disclosed, which comprises load carrying bearings and swivel bearings, each set of bearings is contained in its own race, and the bearings are protected from contamination by a skirt on the outer periphery of the load carry... | 10/18/1988 |
| 4707880 | Swivel caster assembly and method of making A heavy-duty caster assembly with a pintle and swivel plate mounted on top of a wheel carrying horn that minimizes pintle bending and breaking with the addition of a powdered metal washer around the pintle locked on top of the swivel plate.... | 11/24/1987 |
| 4624028 | Omnidirectional rolling support having castering induced by rotational resistance A rolling support system has a pair of wheels mounted for rotation about a first axis with bearings that have a first resistance to rotation of the wheels. A stem assembly includes a portion to which the first axis is attached and further includes a thrus... | 11/25/1986 |
| 4559668 | Wheel braking mechanism for a wheel bracket assembly A caster with a braking apparatus includes a bracket and a wheel rotatably supported on the bracket, the wheel having a radially inwardly facing annular braking surface thereon between its axle and tread. A braking member has a braking surface thereon adj... | 12/24/1985 |
| 4554704 | Corrosion resistant caster A heavy-duty caster assembly for a corrosive environment having a U-shaped metallic wheel supporting horn with a metal swivel plate rotatably mounted on the horn by a kingpin wherein both the swivel plate and the horn are coated with a permanently bonded ... | 11/26/1985 |
| 4494271 | Caster having a three piece encapsulating bearing assembly A caster which includes a neck at its top portion and a support at its lower portion to which a wheel is rotatably connected. About the neck are a ball bearing retaining plate and a top plate above and releasably secured to the ball bearing retaining plat... | 01/22/1985 |
| 4447932 | Caster including on center bearing arrangement A caster includes a support plate and a yoke adapted to support the support plate, the yoke being pivotably joined to the support plate for rotation about a generally vertical axis. An axle is support by the legs of the yoke and at least one wheel is rota... | 05/15/1984 |
| 4409715 | Method for making a castor assembly A method for making a castor assembly having an upper fixing plate and a swivelling fork connected to a wheel comprising the steps of splitting the edge of a central aperture in a plate member forming the fixing plate, forming the cage to define a race fo... | 10/18/1983 |
| 4348784 | Swivel type caster with seal and lubrication ring A swivel caster of the type having an inverted U-shaped horn member with a cup-shaped upper portion that rotatably receives a swivel plate adapted for connection to the underside of the supported article. A thrust bearing is provided including an annular ... | 09/14/1982 |
| 4316305 | Swivel caster assembly An improved caster assembly having a stationary base member, a wheel assembly having a rotatable load-supporting wheel, and a ball bearing arrangement supporting the wheel assembly on the base for swiveling rotation with respect thereto. The ball bearing ... | 02/23/1982 |
| 4293168 | Housing for Y-bearing A housing for a Y-bearing comprising a plate member having a central aperture split and shaped to define a bearing seat, a radially directed flange spaced axially from the bearing seat and means defining an angular groove in approximately the middle of th... | 10/06/1981 |
| 4224714 | Caster assembly An assembly including a mechanism for retaining a rotatable member, such as a caster, mounted on an elongated member, on a support. The support, such as, for example, the bottom of a sofa, has a bore hole for receiving the elongated member. A planar metal... | 09/30/1980 |
| 4219903 | Bearing retainer An improvement in a bearing retainer construction for use with a bearing apparatus having a king pin for use with a swivel caster. The swivel caster has a swivel plate with a central opening therethrough. A pair of annular bearing ball retainers are dispo... | 09/02/1980 |
