Finger assembly for a screwcapping head

Details Finger assembly for a screwcapping head Finger assembly for a screwcapping head

1985-10-29

1987-06-23

Culver, Horace M.

Package making

Closing packages and filled receptacles

Separate closure applying

533315, B67B 320, B65B 728

Patent

active

046742638

ABSTRACT:
A finger assembly for a rotatable screwcapping head which is capable of gripping and screwing a screw closure onto a prethreaded container. The finger assembly includes a guide member which retains at least two fingers pivotally positioned thereon. The fingers have a concave surface which is capable of gripping the screw closure as the fingers are moved to a closed position. A pair of C-shaped retaining rings encompasses both the guide member and the fingers and serves to secure them to the rotatable screwcapping head. The finger assembly also includes an actuator for pivoting the fingers between a closed position wherein the fingers grip the screw closure and an open position wherein the fingers release the screw closure.

REFERENCES:
patent: Re15612 (1923-05-01), Nordstrom
patent: 1141267 (1915-06-01), Ray et al.
patent: 2375141 (1945-05-01), Shera
patent: 3242632 (1966-03-01), Dimond
patent: 3434266 (1969-03-01), Wolf et al.
patent: 3491516 (1970-01-01), Bergeron
patent: 3537231 (1970-11-01), Dimond
patent: 3672121 (1972-06-01), Kawaminani
patent: 3984965 (1976-10-01), Sonnenberg
patent: 4089153 (1978-05-01), Long
patent: 4364218 (1982-12-01), Obrist
patent: 4492068 (1985-01-01), Obrist
U.S. application Ser. No. 602,237, Ellis et al., 53/331.005.

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