Adjustable control assemblies

Details Adjustable control assemblies Adjustable control assemblies

1985-05-20

1986-08-12

Jones, Jr., James L.

Tools

Wrench, screwdriver, or driver therefor

Responsive to movement of work

B25B 2300

Patent

active

046049215

ABSTRACT:
An adjustable control assembly comprises first abutment means such as a U-shaped foot for placement against a workpiece, the first abutment means being provided on first spacing means such as a rod which is movable with respect to second abutment means such as a nut-like member, the second abutment means being provided on second spacing means such as a hollow tube which is movable with respect to third abutment means such as a combined pinch bracket and locator tube for attachment to a worktool, the preset distance between the first and third abutment means being adjustable to correspond to the desired initial position of the worktool with respect to the workpiece, and the preset distance between the second and third abutment means being adjustable to correspond to the maximum permitted advance of the worktool with respect to the workpiece, the preferred application of the adjustable control assembly being in the use of a rotary power tool to secure, to roof decking, a fastening assembly including an extensible resilient element passing through compressible insulation material.

REFERENCES:
patent: 2796161 (1957-06-01), Graybill
patent: 3056441 (1962-10-01), Helms
patent: 3454059 (1969-07-01), Sindelar

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