Patent
1979-10-22
1981-06-02
Rosenbaum, Mark
81 54, B23P 1908
Patent
active
042702372
ABSTRACT:
A portable tool is provided to assemble washers (13) and nuts (14) on threaded studs (10) extending from a frame member (11,12). Pneumatically operated pushers (43,54) advance a polygonal-shaped nut and a round washer into a polygonal-shaped chamber (24) formed by a sleeve (26) and a polygonal-shaped driver rod (29). The end of the sleeve is placed over a threaded stud and forced against the frame member, whereupon a clutch (32) is disengaged and rotative power is applied to the driver rod and the sleeve while the driver rod is moved within the sleeve to push the washer and the rotating nut onto the threaded stud. The clutch in the engaged position is constructed so as to insure that slots (63 and 64) in the sleeve (26) are aligned with the pushers (43 and 54) to permit entry of the washers and the nuts into the chamber where they are magnetically held.
REFERENCES:
patent: 2728091 (1955-12-01), Hoenk
patent: 2752618 (1956-07-01), Stern
patent: 2910768 (1959-11-01), Heidergott et al.
patent: 2943335 (1960-07-01), Daniel et al.
patent: 3187356 (1965-06-01), Rodenberg
patent: 3406414 (1968-10-01), Kulaga et al.
patent: 3694888 (1972-10-01), Bosse
Breeze, Jr. Marvin M.
Wood Virgil W.
Miller R. P.
Rosenbaum Mark
Western Electric Company Inc.
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