Trackball device

Details Trackball device Trackball device

1982-06-01

1985-03-19

Staar, Lawrence J.

Machine element or mechanism

Control lever and linkage systems

Multiple controlled elements

74209, 384245, 384244, 384246, G05G 900, G05G 1300, F16H 1300

Patent

active

045051658

ABSTRACT:
The trackball device includes two supports for the trackball, each of which has a code wheel associated therewith. The journals on the end of each shaft and the bearing surfaces of the pillow block associated with the shaft are constructed to have substantially point contact and thereby minimize friction.

REFERENCES:
patent: 566178 (1896-08-01), Hutchinson, Jr.
patent: 978944 (1910-12-01), Seib
patent: 1346400 (1920-07-01), Dover
patent: 1447587 (1923-03-01), Calvert
patent: 1546075 (1925-07-01), Horn
patent: 2127196 (1938-08-01), Worley
patent: 2300362 (1942-10-01), Shotter
patent: 2352346 (1944-06-01), Schiffl
patent: 2544587 (1951-03-01), Cloud
patent: 2587677 (1952-03-01), Ammlung, Jr.
patent: 3389608 (1968-06-01), Moskowitz
patent: 3643148 (1972-02-01), Brown et al.
patent: 3987685 (1976-10-01), Opocensky
patent: 4404865 (1983-09-01), Kim

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