Bidirectional roof seaming machine

Details Bidirectional roof seaming machine Bidirectional roof seaming machine

1988-06-20

1991-02-05

Combs, E. Michael

Metal working

Means to assemble or disassemble

Overedge assembling means

72210, B23P 1100, B21D 3902

Patent

active

049893084

ABSTRACT:
A roof seaming machine has symmetrically arranged forming rolls and a reversible permanent magnet motor for operation of the machine in either a forward or reverse direction. Adjustable linkage connects the forming rolls with an articulated handle for moving the forming rolls relative to a drive wheel which propels the machine and which is adapted to be disposed on the opposite of a seam from the forming rolls. A reversible switch is connected to energize and deenergize the motor, and a directional switch safety guard is associated with the switch to limit its movement between an "off" position and either one of two "on" positions, depending upon the positioning of the guard.

REFERENCES:
patent: 2764705 (1956-09-01), Albertson et al.
patent: 3609845 (1971-10-01), Taylor
patent: 3875642 (1975-04-01), Knudson
patent: 4027611 (1977-06-01), Ward et al.
patent: 4348603 (1982-09-01), Huber

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