Title: Omnidirectional vibration isolating

Abstract: In an air or gas spring having a metal cylinder with a rigid gas-tight closure at one end and a flexible convoluted diaphragm seal and piston at the other end, the piston has an inner floating member restrained vertically by hardened roller balls that ride in a hardened ball race and horizontally by elastomer spring material.

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Inventors: Gertal, Maurice (Waltham, MA, US)

Application Number: 929926
Filing Date: 1978-08-01
Publication_date: 1980-09-23
Assignee:
Primary Class(es): 188/268 188/321.11, 248/580, 248/621, 248/638, 267/122, 267/140.11, 267/153, 267/182, 384/536, 384/611
Other Classes:
US Patent Ref:

1766597	Jun, 1930	Bushnell	248/638.
2551621	May, 1951	Michelsen	308/184.
2614896	Oct, 1952	Pierc, Jr.	308/184.
3128978	Apr, 1964	Sykes	267/153.

Other Refs: 1120809200452678809

Apr, 1956	FR
Jul, 1923	GB
Sep, 1952	GB

Primary Examiner: Halvosa, George E. A.
Assistant Examiner:
Attorney: Hieken; Charles