Metal deforming – With means to drive tool – With means to selectably control movement of tool
Patent
1986-05-29
1987-11-24
Spruill, Robert L.
Metal deforming
With means to drive tool
With means to selectably control movement of tool
72452, 72472, 72404, 72446, 72399, 72381, 83499, B21D 3712
Patent
active
047080094
ABSTRACT:
The apparatus of this invention, for bending wire and metal strip, comprises a stationary working plate, a drive shaft rotatable in bearings spaced along its length and fixed relative to the working plate, and a tool guide unit confined to adjustment relative to the working plate in directions parallel to the drive shaft and carrying a tool slide that it guides for reciprocation transverse to the drive shaft. A cam on the drive shaft by which the tool slide is reciprocated is fixed to an axial sleeve portion concentric to the drive shaft and axially slidable along it, which sleeve portion is rotatably received in a cam bearing that is secured in the tool guide unit. The cam bearing thus radially supports the cam and the drive shaft so that the drive shaft can be relatively slender and light.
REFERENCES:
patent: 3540340 (1970-11-01), Koskela
patent: 3881343 (1975-05-01), Ducate
patent: 3945239 (1976-03-01), Russell
patent: 4077291 (1978-03-01), Obenshain
patent: 4269097 (1981-05-01), Linn
patent: 4580329 (1986-04-01), Bihler et al.
patent: 4607517 (1986-08-01), Finzer et al.
Alpha Maschinenbau AG.
Jones David B.
Nilles James E.
Spruill Robert L.
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