Tools – Wrench – screwdriver – or driver therefor – Machine
Patent
1991-03-15
1992-06-23
Smith, James G.
Tools
Wrench, screwdriver, or driver therefor
Machine
81 5735, 811772, B25B 1700
Patent
active
051233096
ABSTRACT:
Disclosed is an integrated spindle actuator assembly for nut-runners wherein the spindle is pneumatically operated to engage and retract from the intended work device including an internal piston formed on the spindle end in conjunction with a spline which permits the spindle to translate towards the work when pressure fluid is applied to the spindle assembly. In its extended position, rotation of the spindle is possible, the spindle requiring a minimum of radial clearance, thereby permitting close spacing of the nut-runners.
REFERENCES:
patent: 3289503 (1966-12-01), Klatt
patent: 4376397 (1983-03-01), Newby et al.
patent: 4703677 (1987-11-01), Rossini
patent: 4754670 (1988-07-01), Raymond
patent: 4782726 (1988-11-01), Ryder et al.
Ingersoll-Rand Company
Smith James G.
Vliet Walter C.
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