Tools – Wrench – screwdriver – or driver therefor – Handle clutched to head
Patent
1978-04-28
1979-10-23
Jones, Jr., James L.
Tools
Wrench, screwdriver, or driver therefor
Handle clutched to head
81 343, B25B 1352
Patent
active
041716523
ABSTRACT:
This device is a chain wrench for loosening and tightening screw thread engaging items from base members. It consists of a thin handle whose length is approximately six times its width. Chain links are permanently attached to the handle forming a closed loop. The chain links are made of a bicycle-like chain which has no flexibility in a lateral direction.
REFERENCES:
patent: 1279441 (1918-09-01), Relyea
patent: 2081383 (1937-05-01), Rector
patent: 2473425 (1949-06-01), Grant
patent: 3678788 (1972-07-01), Maffi
Coffee Wendell
Jones Jr. James L.
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