Carriage coupling device system for pen plotter

Details Carriage coupling device system for pen plotter Carriage coupling device system for pen plotter

1987-08-19

1989-11-07

Goldberg, E. A.

Recorders

Markers and/or driving means therefor

Stylus feature

384126, 384517, 384618, G01D 1516, F16C 2100

Patent

active

048795674

ABSTRACT:
A low-friction, low-play bearing system for use in a carriage coupling drive system for a pen plotter including a moving carriage slidably mounted on a shaft between the ends of and carrying a U-shaped pen-carrying yoke in combination therewith for sliding motion along the shaft and rotary motion about the shaft. A pair of annular ball-bearing thrust bearings are disposed over the shaft between respective ends of the U-shaped yoke and the moving carriage. An annular bias spring such as a wave spring is disposed over the shaft between the moving carriage and one of the thrust bearings to create a longitudinal expansion force resisting play between the moving carriage and the U-shaped yoke.

REFERENCES:
patent: 3900853 (1975-08-01), White
patent: 4173376 (1979-11-01), Standing

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