Metal deforming – By use of non-deforming work-gripping clamp and relatively... – With interrelated clamp closer and tool mover
Patent
1976-12-01
1978-11-28
Keenan, Michael J.
Metal deforming
By use of non-deforming work-gripping clamp and relatively...
With interrelated clamp closer and tool mover
72317, B21D 4102
Patent
active
041270215
ABSTRACT:
The two bars that form the tubing gripper have tapered sides which mate with corresponding tapered faces on the two legs of the yoke. The direction of the tapering is such that as the flaring cone is forced against the end of a tube in the gripper, the tapered sides of the yoke legs cam the two bars of the gripper together to securely hold the tube in the gripper. A threaded bolt having a wing nut thereon is employed to initially press the bars of the gripper together with a sufficient force to hold the tube in the gripper while the yoke is put in place and the flaring cone initially pressed against the end of the tube.
REFERENCES:
patent: 2132947 (1938-10-01), Gagne
patent: 2438999 (1948-04-01), Hartley et al.
patent: 2478102 (1949-02-01), Hull et al.
patent: 2993522 (1961-07-01), Temple et al.
patent: 3027931 (1962-04-01), Franck
patent: 3345855 (1967-10-01), Franck
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