Blind riveter

Details Blind riveter Blind riveter

1976-08-25

1978-05-09

Lanham, C. W.

Metal deforming

By relatively movable offset tool-faces

With tool motion in fixed path

7245317, 91469, B21J 1534

Patent

active

040880036

ABSTRACT:
A blind riveter comprises a chuck, a hydraulic system for moving the chuck, and a pneumatic system comprising a cylinder, a piston, a movable piston rod attached to the piston, a longitudinally slidable valve tappet, and valve means for a supply of compressed air. The longitudinal sliding of the valve tappet operates the valve to supply compressed air into the cylinder. The movable piston rod of the pneumatic system moves in the hydraulic system under the working stroke of the piston to effect movement of the chuck. The valve tappet, the cylinder, and the piston of the pneumatic system are each sealed parallel to their respective axis and are all interspersed longitudinally.

REFERENCES:
patent: 2053716 (1936-09-01), Huck
patent: 2134735 (1938-11-01), Reinhold
patent: 2396001 (1946-03-01), Fischer
patent: 3082898 (1963-03-01), Bosch

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