Tools – Wrench – screwdriver – or driver therefor – Sliding jaw – cam-closing
Patent
1981-03-26
1983-04-05
Smith, James G.
Tools
Wrench, screwdriver, or driver therefor
Sliding jaw, cam-closing
279 65, 279 74, B25B 1312
Patent
active
043787142
ABSTRACT:
An adjustable socket (10) for rotatively driving bolts and nuts is disclosed as including a plurality of jaws (18) mounted on a rotatable driver (16) for quick action adjustment between fully opened and fully closed positions upon rotation of an adjuster (22) no more than one revolution. Each jaw has an inclined camming surface (28) that is slidably engaged by a jaw positioner (20) upon axial movement thereof in response to rotation of the adjuster so as to provide radial adjustment of the jaw positions. A spring (30) biases the jaws in an outward radial direction into engagement with the positioner. The jaw positioner comprises a sleeve (20) which has apertures (62) that receive the jaws upon outward movement. Camming surfaces (64) on the sleeve respectively adjacent the apertures (62) engage the jaws (18) to prevent outward jaw movement.
REFERENCES:
patent: 1498040 (1924-04-01), Johnson
patent: 1554963 (1925-03-01), Fisher
patent: 2580247 (1951-12-01), Secondi et al.
patent: 2582444 (1952-01-01), Lucht
patent: 2669896 (1954-02-01), Clough
patent: 2701489 (1955-02-01), Osborn
patent: 2850931 (1958-09-01), Conway
patent: 2884826 (1959-05-01), Bruhn
patent: 3102732 (1963-09-01), Livermont
patent: 3724299 (1973-04-01), Nelson
patent: 4213355 (1980-07-01), Colvin
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