Self-locking adaptor for converting a pole into a tool

Details Self-locking adaptor for converting a pole into a tool Self-locking adaptor for converting a pole into a tool

1990-04-20

1991-10-29

Cherry, Johnny D.

Handling: hand and hoist-line implements

Hand bars and hand barrows

Ball retriever

811771, 1601781, 403229, B25J 100, E06B 926

Patent

active

050609955

ABSTRACT:
An adaptor for connection to the male threads on a cylindrical pole to convert the pole into a window pole for opening and closing blinds or the like wherein the adaptor comprises a resilient wire coil that has a stop to prevent rotation of the adaptor with respect to a pole in a first direction and a cantilevered positioned hook that provides a compressive force on the wire coil to prevent rotation of the adaptor in the opposite direction.

REFERENCES:
patent: 80350 (1868-07-01), Hoffman
patent: 306188 (1884-10-01), Strong
patent: 519354 (1894-05-01), Sheppard
patent: 593155 (1897-11-01), Buchanan
patent: 1875376 (1932-09-01), Hamer et al.
patent: 2028122 (1936-01-01), Floreth
patent: 2063583 (1936-12-01), Christy
patent: 2084617 (1937-06-01), Kehl
patent: 2285818 (1942-06-01), Kootz
patent: 2542665 (1951-02-01), Gustafson
patent: 3182960 (1965-05-01), French
patent: 3323826 (1967-06-01), Crowley
patent: 3936088 (1976-02-01), Williams
patent: 4153286 (1979-05-01), Piper et al.

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