EP0287825A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Self-orientatable twin-wheel castor of the type comprising a pair of coaxial wheels
Assignee: Emilsider Meccanica SpA
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Filing: 1988-03-23
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Granted: —
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Expires: 2008-03-23
Abstract
Abstract The present invention relates to a self-orientatable twin-wheel castor of the type comprising a support (2), an axle (10) carried by said support, a pair of wheels (3,4) provided with hollow tangs (13) mounted on said axle. The peculiarity of the invention resides in the fact that said wheels (3,4) and the respective hollow tangs (13) are made of a shock-resistance material and in that respective bushes (16) for sliding on said axle, (10) made of a wear-resistant material, are inserted within the tangs, each bush being provided with means (18,17) for coupling to the wheel and to the supporting axle.
Inventors
- 👤 Francescantonio Melara
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-25 07:30
CPC Classifications
B; B60; B60B; B60B33/00; B60B33/0036; B60B33/0042; B60B33/0028
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
88 words
Self-orientatable twin-wheel castor of the type comprising a support (2), an axle (10) carried by said support, a pair of wheels (3,4) provided with hollow tangs (13) mounted on said axle, characterized in that the wheels (3,4) and the respective hollow tangs (13) are made of a shock-resistant material and in that, inside the tangs, respective bushes (16) for sliding on the axle (10), made of a wear-resistant material, are inserted, each bush being provided with means for coupling (18,17) to the wheel and to the supporting axle.
Claim 2
Dependent Claim
88 words
Self-orientatable twin-wheel castor of the type comprising a support (2), an axle (10) carried by said support, a pair of wheels (3,4) provided with hollow tangs (13) mounted on said axle, characterized in that the wheels (3,4) and the respective hollow tangs (13) are made of a shock-resistant material and in that, inside the tangs, respective bushes (16) for sliding on the axle (10), made of a wear-resistant material, are inserted, each bush being provided with means for coupling (18,17) to the wheel and to the supporting axle.
Claim 3
Dependent Claim
27 words
Twin-wheel castor according to claim 1, characterized in that said bush (16) has an inner collar (17) engageable in an annular groove (11) of said axle (10).
Claim 4
Dependent Claim
47 words
Twin-wheel castor according to claim 1 or 2, characterized in that the bush (16) is insertable in the respective hollow tang (13) through an opening (15) of the wheel, said bush being provided with a flange (18) adapted to abut on the edge of said opening (15).
Claim 5
Dependent Claim
25 words
Twin-wheel castor according to one of claims 1-3, characterized in that the wheels (3,4) and the respective tangs (13) are provided in a reinforced copolymer.
Claim 6
Dependent Claim
20 words
Twin-wheel castor according to one of claims 1-4, characterized in that the bushes (16) are provided in a polyamide resin.
References Cited (Backward Citations)
No citation records indexed.
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