Dispensing – With recorder – register – indicator – signal or exhibitor – Position or extent of motion indicator
Patent
1995-01-13
1997-01-28
Kaufman, Joseph
Dispensing
With recorder, register, indicator, signal or exhibitor
Position or extent of motion indicator
222235, 222474, 222609, 2226111, 222619, 222625, 239685, B67D 522
Patent
active
055970923
ABSTRACT:
A collapsible drop spreader having a hopper for supporting a wheel axle bearing member, an upper U-shaped frame pivotally connected to a pair of parallel leg members supported on the hopper for use as a handle for the spreader, the hopper further having wheel track alignment guide arrows indexed thereon, a series of material exit apertures extending the length thereof, a two-part rotary agitator bar disposed above the material exit apertures of the hopper, a spring washer for biasing the separate members of the agitator bar apart to effect a sealing relationship with the wheel axle bearing supports, a light weight fiber reinforced shut-off bar disposed adjacent the material exit apertures and rotatable about splines on the wheel axle bearing members, and a flexible cable having one end connected to the rotatably journaled shut-off bar and the other end thereof connected to a control lever located on the upper frame for rotating the shut-off bar from a closed position to an open position with respect to the material exit apertures.
REFERENCES:
patent: 3122273 (1964-02-01), Atkinson
patent: 3310314 (1967-03-01), Bylsma et al.
patent: 3773229 (1973-11-01), Gandrud
patent: 3836052 (1974-07-01), Chopieska
patent: 4121733 (1978-10-01), McRoskey
patent: 4273264 (1981-06-01), Legg
patent: 4635818 (1987-01-01), Glass
patent: 4671434 (1987-06-01), Johnston et al.
patent: 4784405 (1988-11-01), Stein
Kaufman Joseph
Republic Tool & Mfg. Corp.
Williams Harry
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