Multiple sockets wrench

Details Multiple sockets wrench Multiple sockets wrench

1997-05-29

1998-11-03

Meislin, D. S.

Tools

Wrench, screwdriver, or driver therefor

Attachment, or including adjunct or replaceable portion

811245, 81DIG11, B25B 1306

Patent

active

058293280

ABSTRACT:
A multiple sockets wrench which is able to accommodate and twist a great variety of differently sized and shaped nuts, bolts and screws. The wrench includes a polygonal tubular housing and several groups of clamping blocks axially retractably received in a front end of the housing. When used to twist a nut or a bolt head, the nut or bolt head contacts with the groups of the clamping blocks to force the unsuitable contacted clamping blocks into the housing, while permit the suitable uncontacted clamping blocks to hold the nut or bolt head.

REFERENCES:
patent: 1471451 (1923-10-01), Crimp
patent: 1896949 (1933-02-01), Greiner
patent: 1997948 (1935-04-01), Pearson
patent: 3127797 (1964-04-01), Rogers
patent: 3298261 (1967-01-01), Lynn
patent: 4528875 (1985-07-01), Hurst et al.
patent: 5163344 (1992-11-01), Mathers
patent: 5460064 (1995-10-01), Zayat, Jr.

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