Brushing – scrubbing – and general cleaning – Implements – Particular handle
Patent
1998-05-18
1999-12-07
Graham, Gary K.
Brushing, scrubbing, and general cleaning
Implements
Particular handle
15234, 151762, 403 97, B25C 338
Patent
active
059961627
ABSTRACT:
An improved structure of an extendable multi-directional connecting rod for dusters, in particular a duster having a bending structure and a retractable connecting rod structure connected to a rear end thereof, including a duster handle portion, a retaining connector, a locking connector, and a retractable connecting rod. The handle portion is hollow and internally threaded for receiving outer threads of the retaining connector. The retaining connector further has a curved plate portion behind the outer threads. The curved plate portion has a central round hole and radial grooves extending from the round holes at both sides of the curved plate portion. The locking connector includes a forked portion for receiving the curved plate portion and an internally threaded rear end portion for screwably engaging the retractable connecting rod. The forked portion is provided with a locking hole and opposed faces of the forked portion are each provided with a detent point, whereby the detent points will engage the corresponding radial grooves of the retaining connector to achieve angular positioning when the locking connector is turned with respect to the retaining connector. Hence, the direction and angle of a duster body with respect to the locking connector and the retractable connecting rod are adjustable to facilitate cleaning of higher spots.
REFERENCES:
patent: 195086 (1877-09-01), Brintzinghoffer
patent: 452375 (1891-05-01), Helmand
patent: 764124 (1904-07-01), Hayden
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patent: 2469050 (1949-05-01), Mygas
patent: 2750616 (1956-06-01), Klugmann
patent: 2993222 (1961-07-01), Laymon
patent: 3773375 (1973-11-01), Nehls
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