Machine element or mechanism – Control lever and linkage systems – Elements
Patent
1986-12-29
1988-04-19
Hermann, Allan D.
Machine element or mechanism
Control lever and linkage systems
Elements
188 67, 297375, G05G 516
Patent
active
047381566
ABSTRACT:
The rectilinear jack comprises a cage defining an inner chamber at an upper portion while a lower portion of the cage is thinned out in order to form an end lug with a hole for fixation of the cage. The upper portion of the cage is substantially of a lozenge shape for enclosing a cam with two noses placed substantially at 120.degree. with respect to each other. The cam displaces two substantially V-shaped parts bearing on inclined inner walls of the inner chamber while an open lower portion thereof contains trains of rollers kept in engagement with the above parts by a spring. The trains of rollers bear on an upper portion of a jack stem having at least one connection head.
REFERENCES:
patent: 3793903 (1974-02-01), Pellman
patent: 3893730 (1975-07-01), Homier et al.
patent: 4407166 (1983-10-01), Protze et al.
patent: 4583621 (1986-04-01), Tangorra
patent: 4592591 (1986-06-01), Wiers
Droulon Georges
Pipon Yves
A & M Cousin Etablissements Cousin Freres
Hermann Allan D.
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