Brakes – Internal-resistance motion retarder – With means for locking parts together temporarily
Patent
1977-08-17
1980-03-04
Halvosa, George E. A.
Brakes
Internal-resistance motion retarder
With means for locking parts together temporarily
172439, 172444, 188312, 188313, 188321, 248354H, 267 8R, F16F 944
Patent
active
041912802
ABSTRACT:
A mechanical link member is provided which is easily variable in length for ease of connection yet rigid in operation by the use of hydraulic valve and screw-type adjustments. In addition to an interrupted flow position which prevents relative axial movement of the ends of the link member, the hydraulic valve has full flow and restricted flow positions to control the rate of length adjustment. A spring positions the mechanical link to a midrange position when the hydraulic valve is opened and the link ends are not attached to a load.
REFERENCES:
patent: 2228865 (1941-01-01), Bird
patent: 2553912 (1951-05-01), Gervais
patent: 2630193 (1953-03-01), Funkhauser
patent: 2716470 (1955-08-01), Focht
patent: 2851904 (1958-09-01), Banek
patent: 3024067 (1962-03-01), Brandoli
patent: 3053526 (1962-09-01), Kendall
patent: 3236515 (1966-02-01), Ackerman
patent: 3264899 (1966-08-01), Swan
patent: 3356186 (1967-12-01), Lambers
patent: 3905425 (1975-09-01), Jackson
Halvosa George E. A.
Uni-Drive (Tractors) Limited
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