Chucks or sockets – Expanding – Axially moving actuator
Patent
1994-05-31
1995-08-08
Bishop, Steven C.
Chucks or sockets
Expanding
Axially moving actuator
242573, 294 94, B23B 3140
Patent
active
054392357
ABSTRACT:
An apparatus for coupling concentric cylindrical members through the selective radial enlargement of one of the coupling components comprising a fixed collar having a cylindrical interior bore of a common diameter and with an exterior cross section of varying diameters. The apparatus further includes an adjustable component which has an upper half and a lower half and a central bore extending therethrough with an inboard end forming a flange of an intermediate diameter positionable over the intermediate section of the collar and having a enlarged diameter thereadjacent for being positioned over the outboard section of the collar and having an outboardly tapering intermediate section with its greatest diameter at the outboard end and its smallest diameter at its inboard end joining at its inboard end with the enlarged diameter. The adjustable member is provided with at least one annular groove on its exterior surface, The apparatus further includes an actuator rod located through the bores of the fixed collar and the adjustable component. The actuator rod has an outboard end with a circular cross section of an increased diameter and has downwardly tapering surfaces forwardly and rearwardly thereof. The rearward taper reduces to a diameter equal to the exterior diameter of the remainder of the rod.
REFERENCES:
patent: 3704837 (1972-12-01), Heinz et al.
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