Adjustable spanner

Details Adjustable spanner Adjustable spanner

1993-11-05

1994-11-22

Smith, James G.

Tools

Wrench, screwdriver, or driver therefor

Spanner

81 99, 811761, B25B 1310

Patent

active

053658094

ABSTRACT:
An adjustable spanner includes a connecting member which comprises a center tool hole for inserting a screw-driver for use as a handle, two horizontal openings longitudinally aligned on the same plane at two opposite sides by the center tool hole, two vertical screw holes spaced on the same side and respectively disposed in communication with either horizontal opening; and two symmetrical jaw plates connected parallel to the connecting member and respectively retained in either horizontal opening of the connecting member, having each a plurality of vertical mounting holes spaced in a longitudinal direction and alternatively connected to either screw hole on the connecting member by a respective screw, and side notches bilaterally spaced along the respective length for clamping on the workpiece to be turned.

REFERENCES:
patent: 976391 (1910-11-01), O'Hare
patent: 3766810 (1973-10-01), Romak
patent: 4676126 (1987-06-01), Polastri

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