Class 16/26 - Ball

Subclass of Class 16 - Miscellaneous hardware
Definition: Casters in which the antifrictional mounting means comprises
No. of patents: 35
Last issue date: 12/25/2007

Number	Title	Issue Date
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
7222476	Hand-pushed mower A hand-pushed mower of which blade height setter is provided with a sphere rolling on the ground, many small spheres holding the sphere as to freely roll, a semi-spherical receiving member forming a gap between an upper spherical face of the sphere to hold the many ...	05/29/2007
7188820	Vibration damping floor structure A vibration damping floor structure for reducing vibrations and shocks applied to a building. The vibration damping floor structure includes a frame structure formed by connecting a plurality of frames, a plurality of ball bearing supports formed on predetermined lo...	03/13/2007
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
6854160	Caster assembly for a bed frame member or furniture A caster assembly that can be used with furniture to support the furniture and to make the furniture mobile. The caster assembly has a housing with a stem that extends upwardly to be attached to the particular piece of furniture. Within the housing is a plurality of...	02/15/2005
6568031	Caster assembly for a bed frame member or furniture A caster assembly that can be used with furniture to support the furniture and to make the furniture mobile. The caster assembly has a housing with a stem that extends upwardly to be attached to the particular piece of furniture. Within the housing is a p...	05/27/2003
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
6457865	Ball-type anti-friction device A ball-type anti-friction device which has a housing, a ball cage mounted within the housing for movement relative to the housing between a lower inactive position and an upper active position. The ball cage contains a relatively large ball mounted on rel...	10/01/2002
6195838	Roller assembly with spring biased axial caster member A dual roller assembly adapted to simultaneously rotate along perpendicular surfaces. The roller assembly comprises a pair of telescopically engaging shaft members sized to rotate and move axially of one another. A first of the shaft member, mounts first ...	03/06/2001
5989688	Composite nonwovens and methods for the preparation thereof A composite nonwoven for controlled acquisition and distribution of liquid, comprising at least a first support layer and a first bulky layer, the bulky layer functioning to acquire and distribute liquid and the support layer being suitable for use either...	11/23/1999
5906247	Ball transfer mechanism having a braking mechanism and a vehicle employing the ball transfer mechanism A ball-transfer mechanism 1 is movable along the surface of floor 9, having a main body 2, a large ball 5, a plurality of small balls 6 and a restriction member 20. The large ball 5 is spherical and contacts the floor 9. A plurality of small balls 6 are d...	05/25/1999
5694662	Global force bearer wheel/sphere The Global Force Caster, acting as a multi-directional unhindered wheel permits an object, i.e. furnitures, shopping carts, mobility aids etc., resting on the global Force Bearer's threaded casing or in bored hole in the object's body, with instantaneous ...	12/09/1997
5549331	Inline skateboard An inline skateboard comprised of a board body, a pair of downwardly depending mounting rails integrally formed and smoothly merging from the bottom surface of the board body along a medial position thereof, a plurality of mounting shafts extending transv...	08/27/1996
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
5412838	Caster for baggage A caster for baggage is provided which includes a lower fixing plate fixed firmly to an upper fixing plate to contain a ball, a shaft, a bearing and a ring therebetween. The ball is pivotally supported on the shaft, and the shaft is supported by the beari...	05/09/1995
5219058	Conveyor ball unit A conveyor ball unit comprises a conveyor ball mounted on a plurality of mounting balls in a mounting shell. A spring arrangement is provided to support the mounting shell resiliently in a housing and the conveyor ball is retained on the mounting balls by...	06/15/1993
5096308	Ball unit Ball units for conveyor systems are known in which a load-bearing ball is seated in an essentially radially symmetric bearing unit having ball bearings in a bearing shell. The load-bearing ball is held in the bearing unit by a securing apparatus. The bear...	03/17/1992
5078019	Trackball device A trackball device comprising a housing having a circular opening formed in a top wall thereof, a ball received in the housing and partially projecting through the circular opening, a pair of rotatable members arranged orthogonally to each other and rotat...	01/07/1992
4996738	Free wheel caster A free wheel caster is provided and consists of a large ball rotatively carried within a cavity in a cup portion of a caster body which rolls against a plurality of small balls to ride freely within anti-friction material coating recesses in the cavity. T...	03/05/1991
4955099	Movable support A movable support which includes a first axle, two stub axles which are in line with one another and which extend in opposing directions from the first axle at right angles thereto, and two hemispherical members which are mounted, with respective convex s...	09/11/1990
4871052	Conveyor ball unit A conveyor ball unit for use in a conveyor track for example for moving freight material comprises a housing accommodating a conveyor ball member supported in a mounting shell member by way of a plurality of mounting balls. The mounting shell member is su...	10/03/1989
4800821	Dispensing rack A dispensing rack has a knockdown construction that permits quick and easy assembly and disassembly without any tools. The rack construction is also modular to facilitate varying the size and shape of the rack, and to greatly reduce manufacturing and tran...	01/31/1989
4778041	Rolling member A rolling support device or ball roller comprises a main ball housed in a casing comprising a substantially hemispherical bearing bush, an outer shell and a retaining ring assembly connected to the outer shell to retain the main ball and the bearing bush ...	10/18/1988
4732490	Anti-friction element Ball element for use in material handling equipment in which a rotatable ball is movable by a pneumatic piston from a first to a second position relative to a friction surface....	03/22/1988
4696583	Ball support assembly A mounting member having an upper peripheral side wall to receive a ball member, and a lower connecting portion to be placed in locking engagement through a bottom opening in a base member. The side wall is positioned within a base support member for limi...	09/29/1987
4689847	Ball unit A ball unit (10), in particular for conveying devices (1), possesses a load ball (12), which by a part (14) of its surface can bear against a load object, a bearing unit (24), which so bears and encloses the load ball to be freely rotatable that a free pa...	09/01/1987
4660994	Anti-friction element Ball element for use in material handling equipment in which a rotatable ball is movable by a pneumatic piston from a first to a second position relative to a friction surface....	04/28/1987
4635496	Attachment for a display position indicator The invention provides a holder for a position indicator device used to position a cursor on a visual display. The holder comprises a rectangular base member having rotatably-mounted ball bearings and apertures adapted to allow the spherical transport bal...	01/13/1987
4402108	Reduced static castor A caster is disclosed to provide a mobile support for a burden. The burden may be home or office furniture or may be industrial, laboratory or production equipment. The caster may be inverted and held in a stationary position, and used to support a moving...	09/06/1983
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
4108455	Cargo pallet incorporating retractable ball units A cargo pallet incorporates a plurality of pneumatically extendable and retractable roller means disposed in a lower, deck or floor contacting portion thereof. The roller means are arranged in a pattern to provide equitable load distribution such that, wh...	08/22/1978
4045096	Spokeless wheel and shroud therefor A spokeless wheel which comprises a shroud in which a rotor (or hoop) is rotatably disposed and lateral bearings to laterally stabilize the rotor within the shroud. A series of resiliently mounted bearings are spaced about the shroud for rotatably retaini...	08/30/1977
3977040	Castor A castor for an article of furniture which comprises a connecting member connected to the article and having a cylindrical portion at the lower side thereof, a wheel having a pair of shafts projecting from both sides thereof, a main body having a generall...	08/31/1976

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Class 16/26 - Ball