Stripper arrangement for a punch holder

Details Stripper arrangement for a punch holder Stripper arrangement for a punch holder

1993-12-29

1995-08-08

Seidel, Richard K.

Cutting

With product handling means

Means to move, guide, or permit free fall or flight of product

83139, 8369891, B26D 718

Patent

active

054388970

ABSTRACT:
A stripper arrangement for a punch holder which uses an external thread on an end section of the punch holder body to mount either a plastic sleeve press fitted over the external thread or a replaceable steel stripper disc held against the end face of the end section with a steel retainer sleeve threaded onto the external thread. In a first embodiment, a soft tipped set screw secures the steel retainer sleeve. In an alternate embodiment, an O-ring engages the inside of the retainer sleeve to retard unthreading due to vibration, which O-ring also engages the plastic stripper sleeve to augment the friction exerted by the press fit over the external threads.

REFERENCES:
patent: 3205742 (1965-09-01), Williamson
patent: 3719117 (1973-03-01), Mauk et al.
patent: 4041817 (1977-08-01), Nelson
patent: 4316399 (1982-02-01), Wallis
patent: 4947719 (1990-08-01), Whistler
patent: 4993294 (1991-02-01), Chun et al.

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