Device for compensating pitch errors in worm gears

Details Device for compensating pitch errors in worm gears Device for compensating pitch errors in worm gears

1994-03-04

1995-08-08

Marmor, Charles A.

Machine element or mechanism

Gearing

Teeth

74441, F16H 5518

Patent

active

054388880

ABSTRACT:
A device for compensating pitch errors in a worm gear consists of a stationarily mounted rotary worm-gear spindle (11) and a nut element (24) which is axially movable on said spindle and connected with an object to be translatorily moved. The object may be a support (14) for an image document, a slide or the like which is scanned in a scanner for enhancing data for electronic processing. The device is characterized in that the nut element (24) is composed of a plurality of resilient disks (17) accommodated in a transport sleeve (13) and each having a radial segment-shaped slot (18), in that the disks engage the threads (20) of the spindle by means of end faces (21) defined by the slots and in that the outer circumferential surfaces of the disks are fixedly connected with the transport sleeve. This allows the support (14) to be moved with great precision and the electronic data of the image document to be enhanced as correctly as possible.

REFERENCES:
patent: 3831460 (1974-08-01), Linley, Jr.
patent: 5094119 (1992-03-01), Virga et al.

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