Solid material comminution or disintegration – Apparatus – With means to protect operator from injury
Patent
1979-06-11
1981-08-25
Goldberg, Howard N.
Solid material comminution or disintegration
Apparatus
With means to protect operator from injury
74417, 74421A, 188166, 2412821, 366314, B02C 1812
Patent
active
042854733
ABSTRACT:
An improved drive unit for a food processor of the type wherein the drive unit is enclosed in a base housing and has a vertically extending spindle which extends into a processing bowl and carries rotary tools thereon. The drive unit comprises a horizontally mounted universal motor carrying a pinion gear at the end of its shaft. A ring gear meshes with the pinion and encircles the motor on a concavo-convex support structure. The support structure is coupled to the vertical spindle. Included in the drive unit are a novel three point shock mounting for the motor and an automatic brake to prevent coasting of the tool after the motor is deenergized. In a further embodiment of the drive unit the motor and the concavo-convex ring gear are held in a motor mount which is vibrationally isolated from the base housing for providing quieter operation. This mount arches up over the dome of the ring gear which in turn arches up over the motor. A lockable adjustment is provided in the motor mount for adjusting the engagement between the pinion gear and ring gear, and another form of automatic brake is shown.
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Goldberg Howard N.
Wilson Research & Development Inc.
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