Attachment for a display position indicator

Details Attachment for a display position indicator Attachment for a display position indicator

1985-04-18

1987-01-13

Herrmann, Allan D.

Machine element or mechanism

Control lever and linkage systems

Multiple controlled elements

16 26, 74198, 248346, 273148B, 340710, G05G 904

Patent

active

046354964

ABSTRACT:
The invention provides a holder for a position indicator device used to position a cursor on a visual display. The holder comprises a rectangular base member having rotatably-mounted ball bearings and apertures adapted to allow the spherical transport ball of the position indicator device to come in contact with a supporting surface. When the holder is coupled to the position indicator, only the ball bearings and transport ball make contact with the supporting surface, thereby providing for smoother and faster movement of the position indicator and correspondingly more accurate positioning of the associated cursor.

REFERENCES:
patent: 2810960 (1957-10-01), Johnson et al.
patent: 2830824 (1958-04-01), Young
patent: 3625083 (1969-10-01), Bose
patent: 3744083 (1973-07-01), Jenkins
patent: 3835464 (1974-09-01), Rider
patent: 3892963 (1975-01-01), Halwey et al.
patent: 3987685 (1976-10-01), Opolensky
patent: 4369439 (1983-01-01), Broos
patent: 4464652 (1984-08-01), Lapson et al.

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