Shingle removing apparatus

Details Shingle removing apparatus Shingle removing apparatus

1997-04-04

1999-07-13

Scherbel, David A.

Tools

Shingle tool

30170, 299 361, E04D 1500

Patent

active

059211555

ABSTRACT:
A lever member is pivotable about a horizontal axis which is fixed to a frame defining a horizontal plane. A blade profiled to slide under a shingle is fixed to a front end of the lever member, and lifts the shingle when a rear end of the lever member pivots downward under action of a pneumatic cylinder. The cylinder is mounted horizontally toward the rear of the frame, oppositely from the front of the lever member. The cylinder pushes a transverse linkage member forward, which pulls on cables extending rearward from the linkage member thence upward around pulleys to the rear end of the lever member.

REFERENCES:
patent: 3628833 (1971-12-01), Crispino
patent: 4699430 (1987-10-01), Nichols
patent: 4880491 (1989-11-01), Jacobs et al.
patent: 5001946 (1991-03-01), Shirlin et al.
patent: 5197784 (1993-03-01), Holder
patent: 5702161 (1997-12-01), Finney et al.
patent: 5713637 (1998-02-01), Worden et al.
patent: 5741047 (1998-04-01), Ordonez

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