Brakes – Internal-resistance motion retarder – Having a thrust member with a variable volume chamber
Patent
1986-10-30
1988-10-04
Kashnikow, Andres
Brakes
Internal-resistance motion retarder
Having a thrust member with a variable volume chamber
188317, 18832215, F16F 500, F16F 900, F16F 934, F16F 918
Patent
active
047750383
ABSTRACT:
A piston valving and seal mechanism is for a fluid shock absorbing device. A piston is mountable on a piston rod of the device. The piston has an outer periphery, rebound chamber face and compression chamber face. A piston seal is movably mounted in a groove where the piston rebound chamber face and outer periphery meet. The seal is adjacent compression passages in the outer periphery. A seal retainer plate along the piston rebound chamber face with a backing spring bias the seal. The plate is raised from the rebound chamber face and includes passages through the plate for fluid flow through the plate and into underlying recoil passages in the piston. The seal acts as a check valve for the compression passages. A separate recoil passage valve plate on the compression chamber face, with a backing spring, acts as a valve for the recoil passages.
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Goldstein Charles
Loikets Raymond R.
Unnikrishnan K. V.
Kashnikow Andres
Maremont Corporation
Potosnak Richard
LandOfFree
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