Tools – Wrench – screwdriver – or driver therefor – Handle clutched to head
Patent
1997-03-07
1999-03-16
Scherbel, David A.
Tools
Wrench, screwdriver, or driver therefor
Handle clutched to head
81 5711, B25B 1300
Patent
active
058816127
ABSTRACT:
A spring loaded guard is provided to limit access to a potential nip point formed between the rotating nut driver and its guide and wherein the guard extends beyond the guide housing a sufficient distance to engage the tubing for displacement of the guard for use in restricted access areas.
REFERENCES:
patent: 2518088 (1950-09-01), Speilman
patent: 2758493 (1956-08-01), Goldwater
patent: 4287795 (1981-09-01), Curtiss
patent: 5259276 (1993-11-01), Baron
patent: 5537897 (1996-07-01), Wilson, Jr.
McCallops John A.
Warner Donald R.
Ingersoll-Rand Company
Nigohosian, Jr. Leon
Scherbel David A.
Vliet Walter C.
Wilson Lee
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