Adaptor sleeve

Details Adaptor sleeve Adaptor sleeve

1985-07-05

1987-02-24

Schmidt, Frederick R.

Tools

Wrench, screwdriver, or driver therefor

Rigid jaws

81452, 81439, B25B 1302, B25B 1358

Patent

active

046448314

ABSTRACT:
This present invention is an improved adaptor sleeve which includes a hollow sleeve having a first bore opening at its first end for receiving a coupling end of a handle and a second bore opening at its second end which has a hexagonal cross section adapted for receiving the head of a tool or screw driver. A U-shaped spring clamp plate is received in the second bore opening, and the U-shaped spring clamp plate is in an arrangement adapted for clamping and grasping the head of a tool or screw driver so that the head of a tool or screw driver cannot easily loosen off or rotate in the hollow sleeve during practical use.

REFERENCES:
patent: 717199 (1902-12-01), Hollm
patent: 853930 (1907-05-01), Miller
patent: 1056848 (1913-03-01), Starrett et al.
patent: 2158728 (1939-05-01), Peters
patent: 2677294 (1954-05-01), Clark
patent: 3665791 (1972-05-01), Carr
patent: 3935762 (1976-02-01), Tudisco

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