Geometrical instruments – Miscellaneous – Light direction
Patent
1987-09-29
1989-05-23
Hix, L. T.
Geometrical instruments
Miscellaneous
Light direction
74471XY, 340709, 340710, G06G 100
Patent
active
048317365
ABSTRACT:
The invention is directed to a carriage for guiding a computer mouse. The bottom surface of the carriage is recessed for insertion of a computer mouse therein. The mouse is removably clamped in the recess to prevent relative movement to the carriage. The centrally positioned control ball of the mouse is free to operate in a conventional manner. Four rotatable wheels are carried by the carriage and are pivotally connected through a crank arm to a common free floating bracket. An adjustable clamp and biasing spring allow any configuration of a computer mouse to be removably clamped within the carriage. When a mouse is clamped within the carriage and oriented relative to an X/Y axis movement of the carriage and mouse in any direction does not change the original setting of the X/Y axis. The carriage further includes a cross-hair sight for accurately tracing a drawing with the mouse and carriage.
REFERENCES:
patent: 4635496 (1987-01-01), McTyre
Brown Brian W.
Gilliam Frank D.
Hix L. T,.
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