Spring devices – Resilient shock or vibration absorber – Tool movement dampening
Patent
1981-12-23
1984-07-03
Reger, Duane A.
Spring devices
Resilient shock or vibration absorber
Tool movement dampening
F16F 700
Patent
active
044574991
ABSTRACT:
In a pile driver the sharp force loading on a pile at the moment of impact by a ram is absorbed by a pile driver cushion. The cushion includes a pad formed from a flexible strip of compressed knitted mesh wound in a flat spiral and further constructed to maintain its integrity during use and handling.
REFERENCES:
patent: 4340210 (1982-07-01), Townsend
Metex Corporation
Reger Duane A.
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