Metal deforming – With means to drive tool – With means to permit tool positioning
Patent
1993-02-09
1993-07-20
Jones, David
Metal deforming
With means to drive tool
With means to permit tool positioning
72413, 29753, 29863, H01R 4304
Patent
active
052283267
ABSTRACT:
A crimp height adjustment mechanism is disclosed for use in a crimping machine having an anvil and a ram carrying a crimping die. The ram is secured against rotation and guided for reciprocal movement along a ram axis for moving the crimping die toward and away from the anvil. A drive member is connected for reciprocating the ram. The adjustment mechanism includes a first member fixed with respect to the anvil and having a first threaded portion of a first thread pitch extending along an adjustment axis parallel to the ram axis. A second member has a second threaded portion coaxial to the first threaded portion. The second threaded portion has a second thread pitch which differs from the first thread pitch. The second member is secured against rotation and coupled to move the ram linearly along the ram axis. A third member has both a third threaded portion which is threadedly engaged with the first threaded portion, and a fourth threaded portion which is threadedly engaged with the second threaded portion. The third member is rotatable about the adjustment axis so as to change an extent of engagement with the first and second threaded portions. Rotation of the third member about the adjustment axis produces a linear movement of the second member which is equal to a number of rotations of the third member multiplied by a difference between the first and second pitches.
REFERENCES:
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patent: 3051213 (1962-08-01), Batcheller
patent: 3091276 (1963-05-01), Aquillon
patent: 3335599 (1967-08-01), Balsam
patent: 4856186 (1989-08-01), Yeomans
patent: 4916810 (1990-04-01), Yeomans
patent: 5040288 (1991-08-01), Nilsson
patent: 5046241 (1991-09-01), Ricard
Wasilko John M.
Wilson Richard O.
Jones David
Kapalka Robert J.
The Whitaker Corporation
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