Adjustable sifting shovel

Details Adjustable sifting shovel Adjustable sifting shovel

2007-02-06

2007-02-06

Crawford, Gene O. (Department: 3652)

Handling: hand and hoist-line implements

Hand forks and shovels

C209S419000

Reexamination Certificate

active

11173509

ABSTRACT:
The present invention teaches a shovel having a scoop with a bottom perforated by apertures and a movable sifting plate held in one of a plurality of possible positions by means of a retainer plate. The sifting plate may have apertures which do not overlap the apertures of the scoop in a first position, thus keeping the bottom of the shovel scoop closed for use as a shovel. In a second position, the sifting plate apertures may overlap the apertures of the scoop bottom so as to provide a degree of sifting ability. Either set of apertures may have a screen thereacross. The retaining plate may be biased by a spring so as to hold the sifting plate in position.

REFERENCES:
patent: 4602593 (1986-07-01), Gross
patent: 5325815 (1994-07-01), Gumpesberger
patent: 5503110 (1996-04-01), Miller
patent: 5799610 (1998-09-01), Poulos
patent: 2002/0014025 (2002-02-01), Silva, Jr.
patent: 2003/0121834 (2003-07-01), Greenberg

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