Fast adjustable spanner

Details Fast adjustable spanner Fast adjustable spanner

2007-12-14

2009-06-09

Hail, III, Joseph J (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Slidable jaw adjustments

C081S129000, C081S129500, C081S146000

Reexamination Certificate

active

07543521

ABSTRACT:
A fast adjustable spanner comprises a body of which an action side is provided with a protruding stationary jaw of which a bottom is formed with a glide path communicating with an accommodation slot provided in the body; a movable jaw provided with a sheath fringe corresponding to the glide path on which the adjustable jaw may transversally move, a tooth portion being provided at a bottom of the sheath fringe; a working part provided in the accommodation slot to lengthways move, a protruding joint portion being above the working part and having a screw; at least one elastic part between the working part and the accommodation slot, supporting the working part for wedging the screw to the tooth portion of adjustable jaw; thus, when being compressed with an external force, the elastic part is separate from the tooth portion of adjustable jaw for fast adjusting the movable jaw.

REFERENCES:
patent: 1402686 (1922-01-01), Trabold
patent: 2724301 (1955-11-01), Parent et al.
patent: 2970502 (1961-02-01), Nordgren
patent: 5209144 (1993-05-01), Lu Guoji

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