Device for screwing on caps

Details Device for screwing on caps Device for screwing on caps

2005-01-11

2005-01-11

Smith, James G. (Department: 3723)

Tools

Receptacle closure remover

Power-, vacuum-, or fluid pressure-operated

C081S467000, C081S469000

Reexamination Certificate

active

06840138

ABSTRACT:
The device for screwing on a cap comprises a gripping head fixed to a rotary spindle, and a drive shaft connected to a drive member carried by a frame, the rotary spindle and the drive shaft are connected to each other on the same axis by a resilient coupling member, connected both to the rotary spindle and to the drive shaft, and the device further comprises a detector member for detecting relative rotation between the rotary spindle and the drive shaft, and a control member for interrupting tightening of the cap when the relative rotation reaches a predetermined threshold.

REFERENCES:
patent: 4172397 (1979-10-01), Herbert
patent: 4773289 (1988-09-01), Graffin
patent: 5271296 (1993-12-01), Parent et al.
patent: 5647254 (1997-07-01), Cook, Jr.
patent: 5787770 (1998-08-01), Shimada et al.
patent: 6148692 (2000-11-01), Russell
patent: 6182534 (2001-02-01), Hardman
patent: 6651531 (2003-11-01), Thornton
patent: 20030070510 (2003-04-01), Tremblav
patent: 0 677 482 (1995-10-01), None

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