E - Fixed Constructions – 02 – D
Patent
E - Fixed Constructions
02
D
61/90
E02D 7/06 (2006.01) E02D 7/10 (2006.01)
Patent
CA 1046299
2. Abstract of the Disclosure A pile driver in which a weight is reciprocated in a frame along a vertical path. The weight is suddenly retarded just before the weight reaches its lowermost position and the resulting high force is transmitted to the pile without an impact occurring. In one embodiment, the weight is connected to the frame by two pivotal links and these links are used to retard the weight. In another embodiment, the weight is driven upwardly and retarded by a cam mounted on a drive shaft.
245607
Edgworth Frederick
Edgworth Harry
LandOfFree
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