Metal deforming – By use of non-deforming work-gripping clamp and relatively... – With interrelated clamp closer and tool mover
Patent
1980-03-14
1982-08-31
Crane, Daniel C.
Metal deforming
By use of non-deforming work-gripping clamp and relatively...
With interrelated clamp closer and tool mover
72319, 72387, 72450, 2924358, B21D 504, B21D 516, B21D 1100
Patent
active
043465790
ABSTRACT:
A hemming apparatus comprising a lower body, an upper body vertically movable with respect to the lower body, a main hemming means connected by links to the upper body, a shifting cam provided on the main hemming means so as to shift the main hemming means laterally in accordance with the downward movement of the upper body, a guide provided on the lower body and adapted to be engageable with the shifting cam, and a bending blade attached to the main hemming means and consisting of integrally formed blade members one of which is used for a preliminary bending of a work and the other of which is used for a primary bending of the work.
REFERENCES:
patent: 1527375 (1925-02-01), Nystrom
patent: 1572376 (1926-02-01), Bingham
patent: 1785537 (1930-12-01), Stevens
patent: 2370128 (1945-02-01), Aneiros
patent: 3058512 (1962-10-01), Chebuhar et al.
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