Reciprocating bulldozer blade

Details Reciprocating bulldozer blade Reciprocating bulldozer blade

1981-10-28

1986-09-16

Shapiro, Paul E.

Earth working

With drive means for tool or cleaner

Vibrating tool

172816, 37DIG18, A01B 3500

Patent

active

046116672

ABSTRACT:
A reciprocating type of bulldozer blade which blade is mounted on a telescoping member for telescoping engagement with a support arm carried on the bulldozer proper, the improvement including a flywheel disposed on a powered shaft which is rotated, the rotating powered shaft operatively connected to a bulldozer blade through a cam system to provide reciprocal movement of the blade in response to powered shaft rotation. The flywheel provides a more uniform shaft rotation and therefore a greater force on the bulldozer blade as it cycles back and forth. In addition, the relatively telescoping support parts for the blade have provided thereon a supporting instrumentality connected to a stationary portion of the telescoping assembly, and a cylinder having a spring device on the moving reciprocatory part, a shaft extending therebetween so that in combination with the flywheel, additional force is provided on the bulldozer blade by cyclically loading and unloading the spring, which works against the shaft.

REFERENCES:
patent: Re20663 (1938-03-01), Cameron
patent: 954758 (1910-04-01), Naylor
patent: 1632345 (1927-06-01), Muelhause
patent: 3410352 (1968-11-01), Tharp
patent: 3628265 (1971-12-01), Galis
patent: 3762481 (1973-10-01), Allen et al.
patent: 3867987 (1975-02-01), Seaberg
patent: 3952810 (1976-04-01), Ulrich
patent: 4102402 (1978-07-01), Steinberg

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