Metal deforming – By tool-couple embodying nonplanar tool-face – With complementary tool-faces
Patent
1985-01-09
1986-09-23
Crane, Daniel C.
Metal deforming
By tool-couple embodying nonplanar tool-face
With complementary tool-faces
72421, 29751, 226161, B21D 706
Patent
active
046127941
ABSTRACT:
In crimping pliers for connecting contact elements to electrical conductors, which crimping pliers consist of a grip, a retaining plate, which is fixed to the latter and has a lateral recess accommodating the contact elements, on the upper side of which recess cutouts are made which interact with the crimping stamps which project at the upper side from a workplate displaceably guided in the retaining plate, on which workplate a hand lever is pivoted, the tightening movement of which displaces the workplate relative to the retaining plate and moves the crimping stamps into the open cutouts, a housing is fixed to the workplate in order to automatically feed a sheet-metal strip, which supports contact elements at intervals and has mating holes, and a linkage mechanism is pivoted on the hand lever. Moreover, a feed piece, which can be displaced along a longitudinal groove against the force of a feed spring and carries a lowerable dog for engaging in one of the mating holes, and a locking device, which retains the feed piece in the tensioned position of the feed spring and can be triggered by a linkage mechanism and a triggering unit, are provided in the housing. At the same time, the feed piece, during the tightening movement of the hand lever, is brought into its end position and locked in this position. During the return movement of the hand lever, the locking device and the feed piece are then released.
REFERENCES:
patent: 3070144 (1962-12-01), Evans
patent: 3074458 (1963-01-01), Evans
patent: 3184950 (1965-05-01), Sitz
patent: 3230758 (1966-01-01), Klinger
patent: 3611782 (1971-10-01), Eddler
Crane Daniel C.
HTS-Elektrotechnik GmbH
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