Machine element or mechanism – Gearing – Interchangeably locked
Patent
1989-07-27
1991-03-19
Diehl, Dwight
Machine element or mechanism
Gearing
Interchangeably locked
188 727, 192 4A, F16H 308, F16H 5514, F16H 5546
Patent
active
050000560
ABSTRACT:
A gear drive unit with an internal disc brake is disclosed. The brake disc is mounted for non-rotatable movement on a driven shaft in a housing of the drive unit. The housing has internal pockets for holding brake pucks at sides of the brake disc. An actuating member mounted in the housing moves one puck toward the disc when the member is rotated in a pre-selected direction. An adjustable spacer is located on the opposite side of the other brake puck and positions and backs up that puck adjacent the other side of the brake disc. The adjustment can be made outside the housing without the use of special tools. The internal brake has fewer parts, is easier to assemble, is not contaminated by dirt, leaves, and grass clippings, and the like, is not subject to damage, and does not present a possible source of injury to an operator or a child.
REFERENCES:
patent: 3439786 (1969-04-01), Schmid
patent: 3485329 (1969-12-01), Hauser
patent: 3980159 (1976-09-01), Baxendale
patent: 4036329 (1977-07-01), Anderson
patent: 4182435 (1980-01-01), Dadian
patent: 4633979 (1987-01-01), Edwards
patent: 4676345 (1987-06-01), Hillen et al.
patent: 4736820 (1988-04-01), Price et al.
patent: 4809560 (1989-03-01), Nemoto
patent: 4809822 (1989-05-01), Margetts
Crawford Paul A.
Hall James E.
Dana Corporation
Diehl Dwight
Gutchess, Jr. Allen D.
Ta Khoi Q.
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