Cutting – Tool engages work during dwell of intermittent workfeed – Work feed means controlled by means mounted on tool or tool...
Patent
1987-03-27
1988-06-28
Kazenske, E. R.
Cutting
Tool engages work during dwell of intermittent workfeed
Work feed means controlled by means mounted on tool or tool...
74 45, 83247, 83278, 833562, 83620, 83628, 83734, B26D 522, B26D 706
Patent
active
047531452
ABSTRACT:
A bell crank type strip feeding apparatus is disclosed in which one arm of the bell crank is coupled to an actuator and the other arm has a feed pawl thereon for feeding the strip. The actuator is a crank pin which is moved along a circular path about a fixed center. The intermediate pivot of the bell crank is mounted for movement along an arcuate path in response to the circular motion of the crank pin. The intermediate pivotal axis of the bell crank is yieldingly supported so that it can move laterally of the arcuate axis path when the feed pawl engages a fixed stop. A shearing mechanism is also disclosed for shearing the strip material at the conclusion of the feeding stroke.
REFERENCES:
patent: 1153723 (1915-09-01), Stedman
patent: 1788098 (1931-01-01), Fuller
patent: 1931760 (1933-10-01), Hermansdorfer
patent: 2912814 (1959-11-01), Witt et al.
patent: 3174347 (1965-03-01), Hecht
patent: 3500709 (1970-03-01), Landman
patent: 3553836 (1971-01-01), Cootes
patent: 4403407 (1983-09-01), Mazzola
AMP Incorporated
Kazenske E. R.
Phan Hien H.
Raring Frederick W.
Wolstoncroft Bruce J.
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