Wrenches

Details Wrenches Wrenches

1986-09-10

1988-08-23

Schmidt, Frederick R.

Tools

Wrench, screwdriver, or driver therefor

Machine

81 5726, 81 5727, 81 5743, 81 64, B25B 1700

Patent

active

047652098

ABSTRACT:
Improved hand tools for installing or removing cap screws, bolts, nuts and the like from locations of difficult access. In one embodiment, the tool is fitted with a continuous elastomeric member that engages the work item and holds it on the tool while imparting rotation to it, thereby to install or remove the item. Disclosed additionally is a novel device featuring a handle part and a head part that permit installation or removal of the work item using one hand only. The head part is connected to the handle part by a section that permits double hinge-like movement between the parts, thereby imparting a high degree of adjustability for access to areas not directly accessible.

REFERENCES:
patent: 2357595 (1944-09-01), McPherson
patent: 3138938 (1964-06-01), Frizzell

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