Mud box for joint compound application

Coating implements with material supply – With means supporting or stabilizing implement in use

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Details

401 5, 401171, 425 87, E04F 2106

Patent

active

061460397

ABSTRACT:
A mud box includes a bottom surface with an outlet orifice, sides, a cover pivotally attached along one edge, and a handle attached to the cover for positioning the box on a surface and applying extruding pressure to the cover for ejecting material through the orifice. A spring assembly is attached to the box and connected to apply extruding pressure to the cover. A primary lock is coupled to the spring assembly and the box, the primary lock has a locked position in which the spring assembly is prevented from applying extruding pressure to the cover and an unlocked position in which the spring assembly applies extruding pressure to the cover. The primary lock is activated by a wheel assembly which moves it into the locked position when the box and wheel assembly are disengaged from a surface and which moves it into the unlocked position when the wheel assembly and box are engaged with a surface.

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patent: 3451757 (1969-06-01), Stroud et al.
patent: 4516868 (1985-05-01), Molnar
patent: 5143264 (1992-09-01), MacMillan
patent: 5670182 (1997-09-01), Mower
patent: 5814351 (1998-09-01), Mower

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