Expansible chamber devices – Collapsible chamber wall portion – Wall portion formed of flexible material
Patent
1990-02-08
1990-12-04
Rivell, John
Expansible chamber devices
Collapsible chamber wall portion
Wall portion formed of flexible material
92 91, 254 93R, F01B 1900
Patent
active
049744976
ABSTRACT:
A terminator for a fluid actuated muscle has an axial bore and a removable seal pin that fits into an elastomeric tubular liner in the bore. The pin has a flattened outer end with a hole through it to facilitate extraction. The pin is removed to facilitate bleeding of air or other gases when the muscle is filled with hydraulic fluid. The pin can be held in place by a cable terminator that is fitted into the muscle terminator.
REFERENCES:
patent: 2483088 (1949-09-01), DeHaven
patent: 3645173 (1972-02-01), Yarlott
patent: 3924519 (1975-12-01), England
patent: 4733603 (1988-03-01), Kukolj
patent: 4739692 (1988-04-01), Wassam et al.
patent: 4751869 (1988-06-01), Paynter
patent: 4794912 (1989-01-01), Lia
Rivell John
Welch Allyn Inc.
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