Brakes – Internal-resistance motion retarder – Including means connecting thrust member to load
Patent
1992-12-16
1993-06-29
Denion, Thomas E.
Brakes
Internal-resistance motion retarder
Including means connecting thrust member to load
92118, 403193, 403263, 482 53, 482113, 267118, F16F 900
Patent
active
052225801
ABSTRACT:
A hydraulic cylinder for a physical exercise equipment includes a cylinder body, a piston rod which extends outward from the cylinder body and which has an annular groove that is formed circumferentially in an outer end portion of the piston rod, and a coupling mechanism which includes a flexible end sleeve and a cylindrical metal retaining element. The end sleeve has a pivot joint tubular portion and a tubular protrusion which projects radially from the pivot joint tubular portion. The tubular protrusion is formed with a receiving recess which receives the outer end portion of the piston rod therein. The pivot joint tubular portion has a pivot bore formed therethrough so that a pivot pin can extend therethrough. The cylindrical metal retaining element has a pressed diameter-reduced portion which is sleeved on and which presses against the tubular protrusion in such a manner that the tubular protrusion has a portion squeezed into the annular groove of the piston rod so as to retain the end sleeve on the piston rod.
REFERENCES:
patent: 3868192 (1975-02-01), Pennington et al.
patent: 4030847 (1977-06-01), Carmien
patent: 4389134 (1983-06-01), Colas
Denion Thomas E.
Lee Wang Industry Ltd.
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