Strap severing and ejecting mechanism for strapping machine

Details Strap severing and ejecting mechanism for strapping machine Strap severing and ejecting mechanism for strapping machine

1992-12-14

1994-02-22

Gerrity, Stephen F.

Presses

Binding

With automatic or material-triggered control

53589, 83 61, 83950, 100 26, 100 32, B65B 5710, B65B 1306

Patent

active

052878023

ABSTRACT:
In a straps machine comprising strap-advancing rollers, a sensor for sensing whether a leading end of an advancing strap has reached a predetermined location within a predetermined time, and strap-retracting rollers, a severing and ejecting mechanism comprises a die and an anvil for severing the strap into a leading portion including the leading end and a trailing portion if the sensor has not sensed that the leading end has reached the predetermined location within the predetermined time. The mechanism also comprises a drivable roller, a motor for driving it, and two idle rollers on a pivotable yoke. The drivable roller and one of the idle rollers are operative for ejecting the leading portion after the strap has been severed. The drivable roller and the other idle roller are operative for feeding the trailing portion through the mechanism after the leading portion has been ejected.

REFERENCES:
patent: 2915003 (1959-12-01), Crosby et al.
patent: 3207018 (1965-09-01), Rauenbuehler et al.
patent: 4041814 (1977-08-01), High
patent: 4137788 (1979-02-01), Fischer
patent: 4145963 (1979-03-01), Leslie et al.
patent: 4351463 (1982-09-01), Knecht
patent: 4569186 (1986-02-01), Mori et al.
patent: 4691498 (1987-09-01), Stamm
patent: 4724659 (1988-02-01), Mori et al.

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