Tools – Wrench – screwdriver – or driver therefor – Handle or shank
Patent
1986-08-07
1988-03-08
Schmidt, Frederick R.
Tools
Wrench, screwdriver, or driver therefor
Handle or shank
8117785, B25G 104
Patent
active
047292814
ABSTRACT:
An extension handle apparatus, for use with a conventional wrench having a handle and an opening defined within and adjacent a free end of the handle, the extension handle apparatus including a tubular sleeve member defining an open port at one end thereof and an open interior space for receiving the wrench handle. A plurality of aligned, square bolt-receiving openings are provided within two opposed walls of the tubular sleeve member, and locking means extend through predetermined and opposed ones of the bolt-receiving openings in the sleeve member and through the wrench handle opening for locking the sleeve member into safe and secure position on the wrench handle.
REFERENCES:
patent: 483461 (1892-09-01), Litel
patent: 1638252 (1927-08-01), Fitzgerald
patent: 2621688 (1952-12-01), Wales
patent: 2846910 (1958-08-01), Brown
patent: 3351111 (1967-11-01), Biddle
patent: 4398314 (1983-08-01), Converse
Kettlestrings Donald A.
Schmidt Frederick R.
Vaught Bradley I.
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