Shock-absorbing piston for hydraulic fixtures

Details Shock-absorbing piston for hydraulic fixtures Shock-absorbing piston for hydraulic fixtures

2005-12-13

2005-12-13

Rodriguez, Pam (Department: 3683)

Brakes

Internal-resistance motion retarder

Valve structure or location

C188S322220

Reexamination Certificate

active

06974004

ABSTRACT:
A shock-absorbing piston for hydraulic fixtures, especially hydraulic dashpots for motor vehicles, and separating two hydraulics chambers. The body of the piston is breached by one or more ports. The end of each is blocked by a resilient or resiliently loaded cap. The object is to improve the flow of hydraulic fluid. The ports (13&14) are sickle-shaped and the cap rests eccentric against the face of the piston's body (16).

REFERENCES:
patent: 3113644 (1963-12-01), Wossner
patent: 4723640 (1988-02-01), Beck
patent: 4830152 (1989-05-01), Rauert et al.
patent: 5219430 (1993-06-01), Antoine
patent: 2071807 (1981-09-01), None

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