Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – With cutting – punching – piercing – severing – or tearing
Patent
1995-04-06
1997-08-19
Walker, W. L.
Adhesive bonding and miscellaneous chemical manufacture
Surface bonding means and/or assembly means therefor
With cutting, punching, piercing, severing, or tearing
156518, 226 96, 83140, 83686, B32B 3110
Patent
active
056584210
ABSTRACT:
A combined hole puncher and reinforcer is provided with a punch control mechanism for detecting the presence of a flat sheet of material in registration with the punching device so as to provide a mechanical interlock for disabling the punching device in the absence of such a flat sheet in registration therewith, unless the adhesive tape feed mechanism is disabled. Also, a tape retainer or cover is hinged for rotation relative a mounting base and carries with it a depression finger and an idler roller. This not only provides clear access to the tape cavity, and enhances tractional engagement of the tape upon closure of the cover, but also avoids the necessity for threading the tape beneath an idler roller. The tape feed mechanism employs no gears, but utilizes a single ratchet wheel and pawl to advance the tape along its longitudinal path into registration with the punch and press assembly. Also, the blade assembly includes a lifting bar that provides a positive lifting force to elevate the severed end of the tape once the tape has been cut.
REFERENCES:
patent: 2228372 (1941-01-01), Stuhlinger
patent: 2437022 (1948-03-01), Fritzinger
patent: 2441821 (1948-05-01), Kendall
patent: 2486471 (1949-11-01), Fritzinger
patent: 3441462 (1969-04-01), Bogen et al.
patent: 3457815 (1969-07-01), Cahill
patent: 4826561 (1989-05-01), Carroll
Thomas Charles H.
Walker W. L.
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