Feed mechanism

Details Feed mechanism Feed mechanism

1985-09-12

1987-06-02

Husar, Cornelius J.

Machine element or mechanism

Gearing

Directly cooperating gears

74409, 74 8919, F16H 104

Patent

active

046693289

ABSTRACT:
A feed mechanism for moving a read/write head in a disk drive unit includes a pinion drivable by a motor, a rack held in mesh with the pinion, a support on which the rack is pivotally mounted and which is movable with the rack in a linear direction, and a compression resilient member such as a compression coil spring or a torsion spring having one end fixed to the rack and an opposite end fixed to the support for urging the rack in forced mesh with the pinion and for urging the rack in the linear direction. The feed mechanism also includes a pinion holder fixedly mounted on the rack and extending along the linear direction, the pinion holder having a member disposed in confronting relation to the pinion and spaced therefrom for preventing the rack and the pinion from being thrown out of mesh with each other.

REFERENCES:
patent: 2548603 (1951-04-01), Hallstrand
patent: 2548837 (1951-04-01), Wright
patent: 3465611 (1969-09-01), Yoshiyuki Nakazima et al.
patent: 3888140 (1975-06-01), MacKelvie
patent: 4539857 (1985-09-01), Kako et al.
patent: 4550626 (1985-11-01), Brouwer

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