Tools – Wrench – screwdriver – or driver therefor – Handle clutched to head
Patent
1990-05-24
1991-09-24
Meislin, D. S.
Tools
Wrench, screwdriver, or driver therefor
Handle clutched to head
811242, 811243, 81 582, 81185, B25B 1346
Patent
active
050504630
ABSTRACT:
An offset ratchet wrench for loosening and tightening nuts connecting copper tubing to faucet connections comprises a wrench body portion having a circular hole extending through it, the wrench body portion having a passageway or gap portion between the circular hole and an outer front side portion of the wrench body portion, the wrench body portion having a recess in its top surface next to and in partial contact with the circular hole, a pawl mechanism mounted on the body portion inside the recess, a nut driver having a hole extending through the nut driver from its top to its bottom, the nut driver having an upper portion and lower portion, the hole through the nut driver in the nut driver upper portion having a hexagonal-shaped periphery for engaging the nut, the lower portion of the nut driver having a substantially circular outer periphery and having a row of teeth encircling its outer periphery that are engaged by the pawl when the lower portion of the nut driver rests inside the circular hole of the wrench body portion, the nut driver having a main portion and a detachable wedge portion mounted on the main portion, the nut driver having an opening extending from the top of the nut driver to the bottom of the nut driver created by detaching the nut driver wedge portion from the nut driver main portion, and a handle attached to the bottom surface of the wrench body portion. The wrench may be provided with a number of hex-nut sleeve inserts of different sizes that may be placed inside the hexagonal-shaped hole of the nut driver upper portion so that the wrench may accommodate various sizes of nuts.
REFERENCES:
patent: 895712 (1908-09-01), Anderson
patent: 1646350 (1927-10-01), De Hertelendy
patent: 2578687 (1951-12-01), Fish
patent: 2636411 (1953-04-01), Wood
patent: 2693123 (1954-11-01), Fish
patent: 2699031 (1955-01-01), Viets
patent: 2712259 (1955-07-01), Cowell
patent: 3086414 (1963-04-01), Nardi
patent: 3620105 (1971-11-01), Batten
patent: 4318315 (1982-03-01), Washburn
patent: 4475420 (1984-10-01), Atkinson et al.
patent: 4604919 (1986-08-01), Rollo
patent: 4699028 (1987-10-01), Bosque
A. Earley John F.
Early, III John F. A.
Meislin D. S.
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