Resilient yoke mountings for vibratory pile drivers and extracto

Details Resilient yoke mountings for vibratory pile drivers and extracto Resilient yoke mountings for vibratory pile drivers and extracto

1976-08-30

1977-12-06

Hafer, Robert A.

Tool driving or impacting

Drive by means reacting to rotating eccentric mass

173162, E02D 718

Patent

active

040611965

ABSTRACT:
A vibratory pile driver and extractor is provided in combination with a yoke means above and movable relative to said driver and extractor and resilient rubber support means between opposed abutments on said driver and extractor and said yoke means whereby said driver and extractor is resiliently connected to said yoke means through said abutments, said abutments acting to prevent separation of the yoke means and driver and extractor in case of failure of the resilient rubber means.

REFERENCES:
patent: 1888333 (1932-11-01), Terry
patent: 3502160 (1970-03-01), Herz
patent: 3828864 (1974-08-01), Haverkamp et al.

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