Land vehicles: dumping – Tilting – Operating mechanism
Reexamination Certificate
2007-02-27
2007-02-27
Gordon, Stephen (Department: 3612)
Land vehicles: dumping
Tilting
Operating mechanism
C298S02200C
Reexamination Certificate
active
10707251
ABSTRACT:
A hydraulic arrangement for operating a load body (11) on a heavy vehicle. The load body is connected to the frame (12) of the vehicle by way of at least one articulated joint (13), enabling the load body to tip between a lowered transport position and a raised tipping position. An hydraulic cylinder assembly (14) forming part of the hydraulic arrangement includes at least two piston cylinders (15–17), each working in its own direction, and which are hydraulically and mechanically coupled to one another.
REFERENCES:
patent: 2326594 (1943-08-01), Wood
patent: 2449202 (1948-09-01), Day
patent: 2476694 (1949-07-01), Bourne-Vanneck
patent: 2794673 (1957-06-01), Harbers et al.
patent: 2963185 (1960-12-01), Jones et al.
patent: 4488756 (1984-12-01), Dalman
patent: 2.645088 (1990-10-01), None
Gordon Stephen
Novak Druce & Quigg LLP
Volvo Construction Equipment AB
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