Method for attaching extrusions and the like to frame members

Details Method for attaching extrusions and the like to frame members Method for attaching extrusions and the like to frame members

1974-12-19

1976-02-10

Moon, Charlie T.

Metal working

Method of mechanical manufacture

Assembling or joining

29427, 29526, 52758F, 85 88, 151 69, B23P 1102

Patent

active

039369250

ABSTRACT:
A cotter pin having a conical circumferential recess is provided for securely attaching extrusions and the like to frame members in business machines and other apparatus, such recess serving to translatably carry a C-shaped spring member as between discrete positions of varying diameters within the recess, insertion of the pin through an aperture formed in the frame member, with a concave resilient washer disposed adjacent the head thereof, into a cylindrical channel formed in the extrusion serving to translate the C-shaped spring to a discrete position corresponding to the smallest diameter of the recess, to thereby permit ready ingress of the pin to a position in the channel wherein the head of the pin has effectuated a yielding action of the resilient washer, release of the pin upon completion of its insertion serving to translate the C-shaped spring to a discrete position within the recess where it is grippably impinged between a larger diametered portion of the recess and the walls of the cylindrical channel, such translation to said grippable position being effectuated by a slight outward movement of the pin in the channel as motivated by the restoring action of the resilient washer.

REFERENCES:
patent: 358389 (1887-02-01), Dunn
patent: 2322949 (1943-06-01), Lux
patent: 2771591 (1956-11-01), Vordtriede
patent: 3344502 (1967-10-01), Maier
patent: 3780353 (1973-12-01), Gordon
patent: 3812756 (1974-05-01), Wenger
patent: 3827131 (1974-08-01), Coltrin

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