Arch type strapping machine having an adjustable speed band tigh

Details Arch type strapping machine having an adjustable speed band tigh Arch type strapping machine having an adjustable speed band tigh

1995-11-15

1997-07-29

Gerrity, Stephen F.

Presses

Binding

Binder applying

53589, 100 32, B65B 1322

Patent

active

056513062

ABSTRACT:
A roller unit for controlling band-feeding of an arch-type strapping machine, wherein the high-speed pulling back and strong tightening operations can be efficiently proceeded by reducing friction and impact force between a band and a return roller at the transition time between the high-speed pulling back and the strong tightening. The roller unit is so constructed that a return roller is driven via an one-way clutch, wherein a high-speed return roller of small torque and high speed return roller can be pushed to contact to the upper portion of the return roller and a return rocker roller can be pushed to contact to the lower portion of the return roller.

REFERENCES:
patent: 4020756 (1977-05-01), Weiss
patent: 4155799 (1979-05-01), Matsushita et al.
patent: 4569186 (1986-02-01), Mori et al.
patent: 5155982 (1992-10-01), Boek et al.

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