Device to control the feeding of the strap in a strapping machin

Details Device to control the feeding of the strap in a strapping machin Device to control the feeding of the strap in a strapping machin

1993-12-22

1996-04-23

Jillions, John M.

Advancing material of indeterminate length

With material-responsive control means

To regulate longitudinal movement of material

100 4, 100 32, 226181, B65H 23188, B65H 2036, B65B 1322

Patent

active

055095941

ABSTRACT:
Device to control the feeding of the strap in a strapping machine, of the type wherein the strap (R) is guided on the periphery of at least one driving wheel (1) and at least one pressure wheel (4) is provided to press the strap (R) against the periphery of said driving wheel (1) so as to guarantee its feeding. An arm (8) is provided to oscillate between a guiding position, in which the arm at least partly surrounds the periphery of the driving wheel (1) so as to form a guiding channel (C3) for the strap (R), and an opening position of release, away from the driving wheel (1), into which the arm is moved by said strap when it stops, and in which it controls the removal of the pressure wheel (4) so as to release the feeding pressure. The oscillating arm (8) extends, beyond its part surrounding the periphery of the driving wheel (1), into a counter-bent portion which determines a saddle path (C4) for the strap (R).

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patent: 5372321 (1994-12-01), Ohkubo et al.
patent: 5379576 (1995-01-01), Koyama

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