Automatic tool compensator

Details Automatic tool compensator Automatic tool compensator

1989-11-16

1991-05-07

Roberts, Edward L.

Brushing, scrubbing, and general cleaning

Attachments

Moving surface scraper, wiper, or brush

15 211, 15 883, 5116587, 56 121, 56DIG12, A46B 1302

Patent

active

050125265

ABSTRACT:
Stroke adjustment method and apparatus for a tool such as a motor-driven wire brush utilized to remove "frost" from plated cotton picker spindles. The apparatus includes an arm pivotally connected at one end to a workstation and at the opposite end to a storke cylinder which moves the attached brush into contact with a workpiece. The stroke cylinder is attached to a sliding member which is indexed by a ratchet device in response to a signal indicative of current draw of the motor. As the average current draw drops below a preselected minimum level, the ratchet device is automatically indexed to advance the stroke cylinder and move the brush closer to the workpiece.

REFERENCES:
patent: 2928112 (1960-03-01), Nelson et al.
patent: 4382308 (1983-05-01), Curcio
patent: 4604835 (1986-08-01), Borin

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