Valve box adjusting tool

Details Valve box adjusting tool Valve box adjusting tool

1979-05-16

1981-03-03

Smith, James G.

Tools

Wrench, screwdriver, or driver therefor

Slidable jaw adjustments

B25B 1316

Patent

active

042533554

ABSTRACT:
A tool having a gripping mechanism engageable with separate parts of the upper end of a valve box assembly to transfer rotational force to the box assembly to adjust the height thereof. The tool has an upright body connected to a cross handle at its upper end and the gripping mechanism at its lower end. The gripping mechanism has a plurality of adjustable heads located along cord lines with respect to the axis of rotation of the tool. Each head has an edge which moves into driving contact with a separate part of the box assembly when the gripping mechanism is rotated.

REFERENCES:
patent: 2366 (1841-11-01), Hogle
patent: 490519 (1893-01-01), Wayland
patent: 604160 (1898-05-01), Reissmann
patent: 1357518 (1920-11-01), Ruff
patent: 2549910 (1951-04-01), Lane
patent: 2743641 (1956-05-01), Stricklett et al.
patent: 3094022 (1963-06-01), Young
patent: 3458183 (1969-07-01), Rescigno

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