Modular leads frame with noise abatement system and pile feeder

Details Modular leads frame with noise abatement system and pile feeder Modular leads frame with noise abatement system and pile feeder

1974-10-23

1977-08-09

Purser, Ernest R.

Tool driving or impacting

Processes

173DIG2, E02D 706

Patent

active

040404927

ABSTRACT:
A modular leads frame for a pile driving machine is provided with a plurality of noise abating shield members which surround the driving hammer of the pile driving machine with certain ones thereof being moved with the driving hammer throughout its driving stroke in order to abate the noise resulting from the driving impact of the hammer against the pile.
The pile is fed into position by first hoisting the movable shield members and the driving hammer to the top of the leads frame, hoisting the pile to be driven into a vertical position after attaching the pile hoist line to one end of the pile at ground level and thereafter actuating a pile feeder which positions the vertically hoisted pile within the leads frame and in alignment with the driving hammer.

REFERENCES:
patent: 2136315 (1938-11-01), Pettit
patent: 3750765 (1973-08-01), Shelbourne et al.

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