The first match was accidentally discovered in 1826 when John Walker scraped a stick with chemicals on the end against a stone floor.
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| Number | Title | Issue Date |
| 7377597 | Wheel assembly having wheel-mounting sleeve and retainer A wheel-mounting sleeve and retainer is described. The wheel-mounting sleeve includes a sleeve body, formed and dimensioned for mounting through a wheel-bearing bore in a wheel and into telescoped relation over an axle having a retaining notch. The wheel-mounting sl... | 05/27/2008 |
| 6913324 | Blow molded wheel with axle retainer A molded plastic wheel includes a seamless annular body that is integrally molded from a first material exhibiting a first density and includes a hollow hub having an axle bore and hollow spokes that radially extend from the hub to a hollow box defined by planar fir... | 07/05/2005 |
| 6802570 | Oriented roller bushing for boat trailer A boat trailer roller wheel mounting system for carrying an insignia in a predetermined orientation is provided. Included is a closed-ended wheel bushing which carries indexing for mating with an indexed wheel support arm in a predetermined, rotational orientation. ... | 10/12/2004 |
| 6346061 | Device at a wheel for a wheelchair The invention relates to an arrangement for a wheel for a wheelchair comprising a planetary gear integrated with the aforementioned wheelchair wheel. A sun wheel, planet wheel and ring wheel incorporated in the gear are accommodated in a hub comprising a ... | 02/12/2002 |
| 6280001 | Waste container and wheel assembly with pultruded axle A waste container having a wheel assembly comprising an axle assembly on which are slidably mounted a pair of wheels. The axle assembly comprises a pultruded shaft with opposing end caps. The end caps have an indentation for receiving a retainer to retain... | 08/28/2001 |
| 6260930 | Removable push-on wheel A carrier permits a parachute washer to be mounted in a recess in a push-on wheel. The carrier has a flange that engages a shoulder in the recess to provide proper positioning and alignment. The parachute washer is held in a hat-shaped slot by a bump so t... | 07/17/2001 |
| 6106077 | Wheel bolt A wheel bolt for a a vehicle wheel has a shaft with a torque applying head and a threaded section. A rotatable supporting ring is disposed between the head and threaded section, which supporting ring has a spherical construction with a contact area for co... | 08/22/2000 |
| 6099083 | Retention mechanism for use with an axle assembly A retention mechanism for an axle assembly includes an axle and a retainer coupled to the axle thereby securing a wheel on the axle. The retention mechanism of the present invention includes a plurality of fins disposed on the retainer and a plurality rec... | 08/08/2000 |
| 6056369 | Wheel shaft mounting arrangement for a golf cart A wheel shaft mounting arrangement, which includes a shaft holder securely mounted, on the framework of a golf cart to hold a shaft and a wheel on the shaft, wherein the shaft has an axial coupling hole and two transverse locating holes at a rectangular f... | 05/02/2000 |
| 6003956 | Wheel mounting arrangement for a golf cart A wheel mounting arrangement includes a holder plate connected to the frame of a golf cart, a wheel axle holding a wheel and having a rectangular coupling block at one end fitted into a rectangular coupling block of the wheel axle has a locating groove; a... | 12/21/1999 |
| 5947613 | Bearing and wheel hub retention system for wheel end assembly A bearing and wheel hub retention system adapted for use in a wheel end assembly includes a spindle, a wheel hub adapted to be supported and connected to the spindle for rotation therewith, a bearing assembly adapted to rotatably support the spindle and t... | 09/07/1999 |
| 5938294 | Engaging device for disposing wheels to a golf cart An engaging device for disposing a wheel to an axle of a golf cart includes a disk member fixedly connected to the wheel and having a recessed portion defined therein. An oblong hole is defined through the disk member. An actuating plate is movably receiv... | 08/17/1999 |
| 5902018 | Hubcap locking device A wheel assembly which includes a wheel having a central bore and an attached hubcap. An axle is fitted into the central bore of the wheel assembly and interlocks with the hubcap, serving to secure the wheel assembly to the axle while permitting movement ... | 05/11/1999 |
| 5727850 | Safety and control system for the locking mechanism of a wheel hub, notably for wheelchairs In the hub body (1) of a wheelchair wheel hub, a quick release system is operated axially by a pushing member (6) to enable its positioning on a supporting structure. The wheel hub features, on the opposite end of its mounting side, a deep cavity allowing... | 03/17/1998 |
| 5529323 | Hand-pulled wagon having removable front, side and rear walls A hand-pulled wagon comprises a horizontal bed supported on a frame to wh are attached ground support wheels. The axles of the wheels are attached to sleeves which extend downwardly from the frame. Upper ends of the sleeves are hollow to receive mounting... | 06/25/1996 |
| 5494341 | Wheel shaft mounting assembly for a handcart A wheel shaft mounting assembly for a handcart includes a pair of lug portions each respectively formed on a distal end of a wheel shaft and inserted in a hole defined in a supporting post, a pair of sleeve members each respectively mounted around and sli... | 02/27/1996 |
| 5482305 | Shifting mechanism and quick release for multispeed wheelchair A new wheel assembly (14), with a gear reducing hub (22), and including a new hand wheel assembly (30) mounted on a hand wheel hub (36) for a manual multispeed wheelchair (10), that has an improved shifting mechanism that allows easy shifting at user's ha... | 01/09/1996 |
| 5358314 | Wheel and rotation shaft assembly for a hose-winding cart A wheel and rotation shaft assembly comprises a rotation shaft (2), a wheel (1), and a blocking device (3). The wheel has an axial center hole (8) passing therethrough to receive the rotation shaft. A circumferential series of elastic laminas (11) are pro... | 10/25/1994 |
| 5222786 | Wheel construction for vacuum cleaner A wheel assembly for a vacuum cleaner includes an axle, a collar, and a wheel. The axle is cylindrical and has inward and outward ends. The inward end is attached to a housing of an associated vacuum cleaner and the outward end has locking projections ext... | 06/29/1993 |
| 5143427 | Drive wheel connection for a toy vehicle and method of assembly A drive wheel assembly (10) for a toy vehicle includes an axle (11), a wheel (13) and a bushing (12) insertable into the hub (30) of the wheel (13). The hub (30) is provided with a generally axial aperture (32) communicating with a tapered aperture (34). ... | 09/01/1992 |
| 5014392 | Self-orientatable twin wheel of the kind comprising a pair of coaxial wheels A self-orientatable twin wheel which includes a support which supports a pivot upon which are mounted a pair of wheels. The pair of wheels are provided with hollow tangs into which the pivot is inserted. Bushes with inner and outer collars are interposed ... | 05/14/1991 |
| 4679862 | Quick-release wheelchair axle A quick-release wheelchair axle comprising a male member of a coupling device which forms a continuous piece with and is collinear with the axle's axis, the end of the load bearing surface opposite the male member having two lock washer slots for wheel ad... | 07/14/1987 |
| 4674759 | Trash container wheel structure Wheel structure for a trash container comprising an enhanced thickness hub portion defined by positioning a metal member within the locus of the wheel wall during molding so as to increase wall thickness by better heat transfer and increase resin buildup ... | 06/23/1987 |
| 4664252 | Hub assembly A scrub wheel is provided in document processing equipment where a wheel is removable and replaceable. The wheel is held between a base member and a top member where the top member comprises retaining lugs at the distal ends of retention arms which engage... | 05/12/1987 |
| 4544425 | Method for attaching wheels to dual wheel casters, including ultrasonic welding A method and apparatus for attaching the wheels of a dual wheel caster to its axle with annular plastic bushings ultrasonically welded to the wheels that have three integral curved spring fingers that snap into annular recesses in the axle as the wheels a... | 10/01/1985 |
| 4477121 | Quick release wheel A quick release coupling for a wheel and axle comprising an axle having an outer end for receiving a wheel thereon, a circumferential ball receiving groove adjacent the end of the axle, a wheel having a hub portion with a central opening therein for recei... | 10/16/1984 |
| 4412976 | Adjustable wheel assembly in a rotary solvent extractor There is disclosed an improved wheel housing assembly comprised of a wheel, a wheel axle and an axle housing wherein the wheel axle is formed of wheel and housing shaft portions with the axis of the wheel shaft portion being parallel to and slightly displ... | 11/01/1983 |
| 4358162 | Wheel having built-in hub A wheel is disclosed that has a built-in hub for receiving an axle. The wheel includes an annular outer rim, and a pair of circular webs that are received in the rim. Each of the webs includes an inner annular ring. The annular ring on one of the webs def... | 11/09/1982 |
| 4072357 | Clamp style wheel bushing A clamp style wheel bushing on a drive wheel of a tractor for clamping the drive axle to the drive wheel. The wheel hub and cap are cast with internal shaft bearing surfaces on the cap and hub to firmly clamp the drive axle and lock the drive wheel to the... | 02/07/1978 |