Expansible chamber devices – Displacement control of plural cylinders arranged in... – Predetermined discrete incremental adjustment positions
Patent
1986-09-24
1988-08-30
Garrett, Robert E.
Expansible chamber devices
Displacement control of plural cylinders arranged in...
Predetermined discrete incremental adjustment positions
92 13, 92 133, 92 1341, 56208, F01B 3114
Patent
active
047668032
ABSTRACT:
A control linkage for varying the length of stroke of a hydraulic cylinder is disclosed wherein a slide member is telescopically received within a bracket member, one of these members being connected to the extension end of the hydraulic cylinder while the other member is connected to the base end. A limiting mechanism in the form of a series of holes in one of the members alignable with a slotted opening in the other member and a fastener positionable within one of said holes and also through the slotted opening serves to limit the amount of telescopic movement of the slide member from the bracket member. As a result, the extension of the hydraulic cylinder can be selectively varied according to the preset length of the control linkage. An alternative embodiment in which a fastener is positionable within the holes externally of the slotted opening provides a two way stroke limiter by restricting the length of the retraction stroke of the hydraulic cylinder.
REFERENCES:
patent: 2442306 (1948-05-01), McCormick
patent: 3077722 (1963-02-01), Sadler et al.
patent: 3153988 (1964-10-01), Warstler
patent: 3309116 (1967-03-01), Johnson et al.
patent: 3568423 (1971-03-01), Hale et al.
patent: 4343142 (1982-08-01), Allen
patent: 4473993 (1984-10-01), Jennings
Vermeer Model R-23 Sales Brochure.
Allen Model 852 Sales Brochure.
Cartee Gilbert A.
Webster Emmett G.
Denion Thomas
Garrett Robert E.
Marquette D. F.
Miller Larry W.
New Holland Inc.
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