Metal deforming – By relatively movable offset tool-faces – With tool motion in fixed path
Patent
1987-10-13
1989-05-16
Jones, David
Metal deforming
By relatively movable offset tool-faces
With tool motion in fixed path
72412, 29512, 295221, 227 55, B21J 1532
Patent
active
048298042
ABSTRACT:
A backing fixture is arranged for use with a pull gun to crimp eyelet type inserts under extemporaneous field conditions. When the desired crimping force is less than the force output of the pull gun, the backing fixture is modified with a spring to limit the crimping force. By compressing the spring prior to crimping operations, its size is decreased and by incorporating means for varying the magnitude of pre-crimp spring compression, the crimping force is made adjustable.
REFERENCES:
patent: 2717714 (1955-09-01), Haley
patent: 4691552 (1987-09-01), Peterson
Dee James D.
Jones David
Nerenberg Aaron
SPS Technologies, Inc.
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