Supports – Brackets – Specially mounted or attached
Patent
1983-03-30
1986-09-16
Ramirez, Ramon O.
Supports
Brackets
Specially mounted or attached
248646, A47B 9606
Patent
active
046117768
ABSTRACT:
A roller assembly for mounting carriages to rails is provided with a clamp having a pair of jaws securable to the rail by a handwheel. The length of bearing of the jaws on the rail is relatively small so that, upon loading a clamped assembly in a direction tending to move it along the rail, the clamp will rotate into tighter biting engagement with the rail to prevent slippage thereon. Release is achieved, even after the biting action, by positive separation of the jaws in response to loosening rotation of the handwheel with screw thread action driving the jaws apart from each other and from the rail.
REFERENCES:
patent: 470102 (1892-03-01), Canby
patent: 1474059 (1922-07-01), Voellmecke
patent: 1840216 (1932-01-01), Tormo
patent: 1877781 (1932-09-01), Akerlund
patent: 2925240 (1960-02-01), Laviolette
patent: 3301513 (1967-01-01), Sugaya
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