Single pin gripper assembly for strapping machine head

Details Single pin gripper assembly for strapping machine head Single pin gripper assembly for strapping machine head

2005-08-30

2005-08-30

Banks, Derris H. (Department: 3725)

Presses

Binding

With automatic or material-triggered control

C100S029000, C100S032000, C053S589000

Reexamination Certificate

active

06935227

ABSTRACT:
A gripper assembly for a strapping head for a strapping machine includes a body having a generally rectangular cross-section and defining a cavity therein having an end wall. The body has a gripping pad on an exterior portion thereof. The body further includes pin openings in opposing walls. A single spring stack is disposed in the cavity. An end of the spring stack abuts the inner end wall of the body. A follower block is positioned in the cavity. The follower block has a base and a roller support portion. The roller support portion has pin openings therein. A roller is positioned in the roller support portion. The roller has a passage therethrough. A retaining pin is disposed through the body pin openings, the follower block pin openings and the roller passage. The retaining pin is disposed to maintain the follower block within the body cavity with the roller secured thereto and to maintain the spring stack captured within the body cavity.

REFERENCES:
patent: 3791420 (1974-02-01), Beach
patent: 4161910 (1979-07-01), Leslie et al.
patent: 6401764 (2002-06-01), Bell, Jr.
patent: 6532722 (2003-03-01), Gerhart et al.
patent: 6543341 (2003-04-01), Lopez
patent: 3426252 (1985-02-01), None
patent: 1170214 (2002-01-01), None
patent: 1277657 (2003-01-01), None
patent: 8337205 (1996-12-01), None

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