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序号	专利名	申请号	申请日	公开（公告）号	公开（公告）日	发明人
21	Caster bearing assembly	US983507	1992-11-30	US5230571A	1993-07-27	Michael H. Estkowski; Christopher G. Estkowski
A bearing assembly comprising a roller mechanism and a cage member. The roller mechanism includes a plurality of roller members and a plurality of frangible connector links for initially connecting each roller member to an adjacent roller member. The roller members and the connector links are integrally molded together. The cage member includes a circular flange and a plurality of spacer pegs extending perpendicular from the flange in a circular configuration. The pegs are spaced apart from one another and each peg includes a tip having a hollow chamber adapted to receive and store a connector link. The pegs are adapted to be inserted between adjacent roller members during assembly such that when the cage member and the roller mechanism are pressed together, the pegs will sever the connector links from the roller members and will retain the severed connector links in the chambers of the peg tips. The severed roller members are then free to independently rotate within the cage member.
22	Synthetic flanged carrier roller	US634705	1975-11-24	US4049308A	1977-09-20	Donald E. Martin
A carrier roller comprising (1) an integral roller tire subassembly comprising a cylindrical bearing, two axial inserts, and a molded resilient roller tire and (2) an inner race. In one embodiment, the carrier roller further comprises (3) a roller bushing seal and (4) a labyrinth ring and may further comprise (5) a roller collar. A second embodiment may comprise only the basic components or may further comprise a roller collar. In both embodiments, the roller tire is preferably molded to include a guiding flange, and it is preferably molded from a synthetic material such as urethane.
23	Caster	US39402353	1953-11-24	US2742663A	1956-04-24	MEADOWS ERNEST D

24	Roller wheel	US62280245	1945-10-17	US2457424A	1948-12-28	CECIL WOLF; FOULDS NEIL M

25	Stringproof roller-bearing wheel	US46588521	1921-04-30	US1432966A	1922-10-24	LOUCIEN CHESNUTT JOHN

26	Ball-bearing string-proof wheel	US46558721	1921-04-29	US1392912A	1921-10-11	LOUCIEN CHESNUTT JOHN

27	Caster	US42939320	1920-12-09	US1368465A	1921-02-15	SUTLIFFE FRANK C

28	Caster	JP11517484	1984-06-05	JPS60259502A	1985-12-21	SAITOU NOBUFUSA
PURPOSE:To obtain a caster withstanding a heavy load with compact structure by providing a chain of bearings in multiple stages between an inner tube portion and an outer tube portion which are formed with a hollow, cylindrical shape between a mounting portion and a wheel portion. CONSTITUTION:A caster 1 is composed of a mounting portion 2 and a wheel portion 3. And the mounting portion 2 is composed of a hollow, cylindrical inner tube portion 22 having a flange portion 21, and each of an upper and a lower grooves 4A, 5A for stopping bearings are provided in the outer peripheral wall surface 23 of the inner tube portion 22. On the other hand, the wheel portion 3 is composed of a hollow, cylindrical outer tube portion 31, a pair of supporting legs 32 of supporting legs 32 provied downward in both sides of the lower portion of the outer tube and a wheel 33 supported by the legs, and eachof an upper and a lower grooves 4B, 5B for stopping the bearings are provided in the inner peripheral wall surface 34 of the outer tube portion 31. And each of the upper and the lower portions 5, 6 for accomodating a chain of bearings are formed by each of the grooves 4A, 5A and 4B, 5B for stopping the bearings as mentioned above, and a number of bearings B are inserted into this portion through each of an upper and a lower inserting holes 41, 51 and thus each of the upper and the lower chains of the bearings are formed.
29	Rubber roller	JP837582	1982-01-22	JPS58126202A	1983-07-27	SAITOU NOBUFUSA; KOBAYASHI HIDEFUMI
PURPOSE:To make assembly of a rubber roller easy and lower the cost thereof used in an unattended wherehouse and the like by forcibly inserting and fitting one bearing part onto the inner peripheral face of a wheel provided with a stepped part, while heating and sticking rubber to the outer periphery of the wheel. CONSTITUTION:In manufacturing the captioned device, after forcibly inserting and fitting a bearing part 5 on a stepped part 2 on the inner peripheral surface inside a wheel 1, the first cover 7 is fitted to an opening port of one end of the wheel 1 to close said opening port. Then, a collar 8 is fitted to it and a projecting part 1a at one end of the wheel 1 is caulked in ward, thereby preventing projection of a collar 9 to fix it and fitting the second cover 9 to close an opening port on the other end of the wheel 1. Subsequently, a support shaft 10 is inserted from one end side to caulk the end part so that the support shaft 10 is fixed to a roller. The outer peripheral face of the wheel 1 is formed in a rough face 3 and a recessed part 4 is formed in the center of the wheel 1 so that later heating and sticking of rubber 13 may be certainly performed.
30	Roller	JP13802578	1978-11-10	JPS5476336A	1979-06-18	HANSU MAININGU; EGON PAARAA; HANSUUYOOHIMU BINKURAA; HIRUMAA KITSUTERU

31	JPS4940173B1 -	JP2018470	1970-03-11	JPS4940173B1	1974-10-31

32	RING GEAR AND BRAKE FOR CENTERLESS WHEEL	US15980306	2018-05-15	US20180257427A1	2018-09-13	Marcus G. Hays; Scott Streeter; Benjamin Lorimore; Gary Leo
The present disclosure may relate to centerless wheel assembly that includes a centerless rim including a first center point laying in a first plane generally defined by the centerless rim. The centerless wheel assembly may also include a centerless ring gear coupled to the centerless rim such that rotation of the centerless ring gear causes a corresponding rotation of the centerless rim. The centerless ring gear may include a second center point laying in a second plane generally defined by the centerless ring gear, and the first plane may be generally parallel to the second plane. Additionally, the centerless ring gear may be shaped to interface with a drive gear that drives the centerless ring gear.
33	Ring gear and brake for centerless wheel	US15336559	2016-10-27	US09969213B1	2018-05-15	Marcus G. Hays; Scott Streeter; Benjamin Lorimore; Gary Leo
The present disclosure may relate to centerless wheel assembly that includes a centerless rim including a first center point laying in a first plane generally defined by the centerless rim. The centerless wheel assembly may also include a centerless ring gear coupled to the centerless rim such that rotation of the centerless ring gear causes a corresponding rotation of the centerless rim. The centerless ring gear may include a second center point laying in a second plane generally defined by the centerless ring gear, and the first plane may be generally parallel to the second plane. Additionally, the centerless ring gear may be shaped to interface with a drive gear that drives the centerless ring gear.
34	HEAVY-DUTY VEHICLE WHEEL HUB LUBRICANT FILL PORT	US15333307	2016-10-25	US20170120674A1	2017-05-04	Jay D. White
An axle depends from a heavy-duty vehicle. Each one of a pair of wheel end assemblies is mounted on a respective one of the ends of the axle. Each wheel end assembly includes a pair of bearings mounted on a spindle of the axle, and a wheel hub rotatably mounted on the bearings. A cavity is formed in the wheel end assembly between the bearings. A port is formed in the wheel hub and extends axially inwardly from an outboard end to a lubricant cavity of the hub, and angles radially inwardly from the outboard end to the lubricant cavity at an angle relative to an axial centerline of the hub. Lubricant for the bearings is introduced into the cavity by means of the port, and the port is tapped to receive a plug to seal it and contain the lubricant in the cavity. The port also provides a visual indicator if there is a leakage of semi-fluid grease.
35	WHEEL SUPPORT DEVICE FOR VEHICLE	US15009064	2016-01-28	US20160223024A1	2016-08-04	Toshio TANAHASHI; Yoji KANEHARA; Koshi YAMADA
A wheel support device for a vehicle includes a bearing that rotatably supports a wheel, and is lubricated by a lubricant, a bearing support member, and a self-discharge type charge eliminator provided on a surface of a particular member. The self-discharge type charge eliminator is configured to change air around the self-discharge type charge eliminator into negative air ions, and eliminate charge by causing the air ions to attract positive charges of the particular member for neutralization, so as to reduce the quantity of charge of the particular member, and thereby reduce the quantity of charge of the lubricant.
36	Caster with conductors between the tire of its wheel and the carrier of its wheel frame	US812620	1991-12-23	US5184373A	1993-02-09	Hans-Willi Lange
A caster wherein the metallic carrier for a plastic wheel frame is connected to the conductive tire of the wheel by a multi-section conductor system having a portion in the disc-shaped connector between the rim and the hub of the wheel, a portion which is connected with the outer race of an antifriction ball bearing surrounding the hub, a shaft forming part of a fulcrum for the hub of the wheel, a wire in an internal groove of one leg of the wheel frame, the devices which can be actuated to brake the wheel and to block angular movements of the frame relative to the carrier, and a spring which connects the two devices to one another. The braking and blocking devices can be actuated by a conductive plunger which is non-rotatably but axially movably installed in and contacts the carrier and can be shifted by a spring in cooperation with a rotary cam in the carrier. The conductor system serves to convey static electric charges between the conductive tire of the rim and the carrier which latter is installed in the leg of a piece of furniture or in any other object or body to be mounted on one or more casters.
37	Radial rolling bearing	US684306	1991-04-12	US5080502A	1992-01-14	Michael Diedrich
A sealed radial rolling bearing, particularly for use as a supporting or curve roller, comprising race rings arranged concentrically in each other with mutually facing raceways between which cylindrical rolling elements roll, a flanged wheel of angular cross-section being provided at least one axial end of the inner ring for the axial guiding of the rolling elements, wherein the axial leg of the flanged wheel is fitted on the outer peripheral surface of the inner ring under radial pre-tension and a part of the outer periphery of the flanged wheel forms a counter-surface for a seal arranged on the outer ring, characterized in that the inner ring has a smooth cylindrical periphery surface and the radial leg of the flanged wheel bears against the front face of the inner ring.
38	Method of manufacturing swivel bearing for swivel casters and swivel bearings manufactured accordingly	US760733	1985-07-09	US4620342A	1986-11-04	Berthold Haussels
The swivel bearing comprises a cup secured on a part of the apparatus and provided with a cylindrical wall which is bent inwardly to hold the outer bearing against the flange on another member, which flange rests upon another set of bearings in the cup.
39	Roller having supporting body between outer tread body and inner bearing	US960949	1978-11-15	US4236766A	1980-12-02	Hans Meining; Egon Pfaller; Otmar Winkler; Hilmar Kittel
A roller assembled from separately prefabricated parts has an outer tread body of an elastic material, a supporting body and, disposed therein, a rolling-element bearing, the supporting body holding the various parts together.
40	Castor	US553593	1975-02-27	US3977040A	1976-08-31	Michio Sugasawara
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 generally tubular portion fitted rotatably to the cylindrical portion of the connecting member and an arc-shaped wheel-accommodating-and-bearing portion connected to the tubular portion and having arc-shaped side walls which receive the shafts of the wheel and having at the lower sides thereof resilient portions for preventing slip-off of the wheel.

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