Brakes – Internal-resistance motion retarder – Valve structure or location
Reexamination Certificate
2006-09-05
2006-09-05
Siconolfi, Robert A. (Department: 3683)
Brakes
Internal-resistance motion retarder
Valve structure or location
C188S280000
Reexamination Certificate
active
07100750
ABSTRACT:
An assembly for a hydraulic dashpot. The dashpot is accommodated in an overall housing (1) and provided with a shock-absorbing piston (3) traveling back and forth inside the housing on one end of a piston rod (2) and partitioning the housing into two compartments (19&23), and a vibration-compensating piston (11) hydraulically paralleling the first piston and accommodated inside a subsidiary housing (10).The object of is to ensure a solid and reliable connection between the shock-absorbing piston and the piston rod while allowing as much of the piston rod as possible to find support inside the housing.The vibration-compensating piston is accordingly an annular piston and travels back and forth with its inner surface resting against a section (9) of the piston rod adjacent to the fastening for the shock-absorbing piston, and with its outer surface against the inner surface of the subsidiary housing.
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Fogiel Max
Siconolfi Robert A.
ThyssenKrupp Bilstein GmbH
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