Tool driving or impacting – With indicating or signaling means – Distance of advance
Patent
1976-11-19
1979-05-15
Husar, C. J.
Tool driving or impacting
With indicating or signaling means
Distance of advance
173 88, 405232, E21C 1102
Patent
active
041543076
ABSTRACT:
A pile driving system for driving piles into an underwater surface which comprises an elongated two-part housing having a casing disposed within the lower portion of the housing and movable with respect to the housing. The casing has a pile driving hammer assembly disposed within the casing and the casing is independently suspended within the lower portion of the housing whereby the hammer assembly may be engaged with the pile and impart a series of blows to the pile, while the housing remains substantially stationary with respect to the underwater surface.
REFERENCES:
patent: 1908217 (1933-05-01), Blumenthal
patent: 2521976 (1950-09-01), Hays
patent: 2723532 (1955-11-01), Smith
patent: 3367426 (1968-02-01), Laverty
patent: 3604522 (1971-09-01), Doughty
patent: 3817335 (1974-06-01), Chelminski
Gendron George J.
Holland H. A. Nelson
Husar C. J.
Raymond International Inc.
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