Cutting – Other than completely through work thickness or through work... – Combined types of cutting
Patent
1989-03-27
1990-10-30
Yost, Frank T.
Cutting
Other than completely through work thickness or through work...
Combined types of cutting
83 54, 83310, 83319, 83454, B26D 1100
Patent
active
049660616
ABSTRACT:
A tube cutting apparatus includes a die jaw mounting arrangement whereby separate of opposed pairs of complemental die jaws are removably mounted onto respective jaw holders by slidable keeper plates and by headed fasteners, threadably connected to a holder. The keeper is slidably connectable to its fastener by a keyhole therein with portions of the keyhole being smaller and larger than the head and a bore through the jaw such that the keeper and jaw are retained on the holder when the fastener head is adjacent the smaller portion of the keyhole and released from the holder when the head is adjacent the larger keyhole portion. A notching blade positioning arrangement allows a gauging block to be inserted between horizontally spaced reference surfaces of a tube notching blade and a die jaw whereby the horizontal cutting path of the notching blade is accurately set. A severing blade mounting arrangement allows a tube severing blade to be rapidly installed/removed. A headed fastener allows a clamping plate to back off from clamping relation with the severing blade whereby the blade may be moved outwardly from vertically supported engagement with a support pin and guided vertically downward by the fastener body.
REFERENCES:
patent: 3273433 (1966-09-01), Borzym
patent: 3288011 (1966-11-01), Borzym
patent: 3288012 (1966-11-01), Borzym
patent: 4109555 (1978-08-01), Borzym
patent: 4563927 (1986-01-01), Kinsley
patent: 4646601 (1987-04-01), Borzym
patent: 4653368 (1987-03-01), Riera et al.
patent: 4694718 (1987-09-01), Kinsley
patent: 4766792 (1988-08-01), Borzym et al.
Bielawski, Sr. Billy J.
Pavelec John J.
Riera John F.
Payer Hwei-Siu
Yost Frank T.
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