US3559802A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Caster assembly
Assignee: Individual
•
Filing: 1969-05-09
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Granted: 1971-02-02
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Expires: 1989-05-09
Abstract
Abstract A caster for supporting a fixture comprises a block having a socket in which a ball is retained. The ball is adapted to roll in the socket while supporting the weight of the fixture. A common web joins a plurality of like casters in spaced relationship, whereby the plurality of casters may be utilized as a unit in a fixture or the casters may be separated from the web and used singly or in subunits.
Inventors
- 👤 William Eidus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:26
CPC Classifications
B; B65; B65G; B65G39/00; B65G39/02; B65G39/025; B60; B60B; B60B33/00; B60B33/08; B65G7/00; B65G7/02; B65G7/04; E; E02; E02F; E02F3/00; E02F3/04; E02F3/28; E02F3/30; E02F3/303; Y; Y10; Y10S; Y10S206/00; Y10S206/82; Y10T; Y10T29/00; Y10T29/49; Y10T29/49789; Y10T29/4979; Y10T29/49799
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
126 words
A caster assembly for supporting a fixture on a floor comprising a plurality of blocks of material joined by a flexible web, each of said blocks having a socket on one face thereof and a base portion at the opposite face thereof, a spherical ball partly in said socket and partly protruding therefrom, and adhesive means on said base portion for affixing the latter to a surface of said fixture to be supported, whereby the protruding ball contacts the floor to support the fixture and provides a rolling support surface therefor as said ball rolls in said socket, said flexible web having weakened lines of separation bordering each of said blocks whereby selected combinations of blocks can be separated from said web along said weakened lines.
Claim 2
Dependent Claim
126 words
A caster assembly for supporting a fixture on a floor comprising a plurality of blocks of material joined by a flexible web, each of said blocks having a socket on one face thereof and a base portion at the opposite face thereof, a spherical ball partly in said socket and partly protruding therefrom, and adhesive means on said base portion for affixing the latter to a surface of said fixture to be supported, whereby the protruding ball contacts the floor to support the fixture and provides a rolling support surface therefor as said ball rolls in said socket, said flexible web having weakened lines of separation bordering each of said blocks whereby selected combinations of blocks can be separated from said web along said weakened lines.
Claim 3
Dependent Claim
42 words
A caster assembly according to claim 1 in which said socket has a spherical concave surface sized to receive said spherical ball snugly, and in which a retaining ring on said one face of said block maintains said ball in said socket.
Claim 4
Dependent Claim
40 words
A caster assembly according to claim 1 in which said flexible web has a thickness substantially less than the height of said blocks, and in which the base portions of said blocks are integral with and coextensive with said web.
Claim 5
Dependent Claim
21 words
A caster assembly according to claim 1 wherein said weakened lines comprise indented score lines on opposite surfaces of said web.
Claim 6
Dependent Claim
35 words
A caster assembly according to claim 2 wherein said retaining ring has a central opening, the smallest diameter of which is less than the diameter of said ball, thereby retaining the ball within the socket.
Claim 7
Dependent Claim
16 words
A caster assembly according to claim 2 wherein said retaining ring is integral with said block.
Claim 8
Dependent Claim
27 words
A caster assembly according to claim 2 wherein said retaining ring is a separate member, and means are provided for affixing said retaining ring to said block.
Claim 9
Dependent Claim
29 words
A caster assembly according to claim 7 wherein said retaining ring has a collar having an internal thread, said block having a threaded portion to threadedly receive said collar.
Claim 10
Dependent Claim
41 words
A caster assembly according to claim 7 wherein said retaining ring has a collar with an annular bead thereon, and means on said block having an annular groove to receive said bead to thereby secure said retaining ring to said block.
Claim 11
Dependent Claim
44 words
A caster assembly according to claim 1 wherein said adhesive means for affixing said blocks to the fixture comprises a pressure-sensitive adhesive and a backing sheet covering said adhesive and readily removable to expose said adhesive prior to affixing the block to said fixture.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-01 | 1974-08-03 | 1975-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-01 | 1978-08-03 | 1979-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-01 | 1982-08-03 | 1983-02-02 | $7700.00 | Window Closed / Lapsed |