Brushing – scrubbing – and general cleaning – Machines – Wiping
Patent
1990-01-16
1992-03-03
Roberts, Edward L.
Brushing, scrubbing, and general cleaning
Machines
Wiping
15 531, 15 532, 15DIG2, B64F 500, D60S 306
Patent
active
050920120
ABSTRACT:
An aircraft buffing machine includes a main telescopic boom mounted for up and down movement on a mobile unit. A rotary boom is carried on the end of the main boom and mounts on its outer end a pivot boom having a telescopic floating boom carrying a buffing head. Controls for the machine automatically move the main boom up and down if the floating boom is fully retracted or fully extended so that the buffing head is able to follow the contour of a work surface. If the buffing head pivots excessively on the floating boom, corrective action is automatically taken. A safety bar system extending around the buffing head shuts the machine down is an obstacle is encountered.
REFERENCES:
patent: 3104406 (1963-09-01), Rhodes
patent: 3196472 (1965-07-01), Ventrella
patent: 3439372 (1969-04-01), Collier
patent: 3460177 (1969-08-01), Rhinehart et al.
patent: 3775798 (1973-12-01), Thornton-Trump
patent: 4668301 (1987-05-01), Takigawa et al.
Heckart Daniel R.
Rabourn William B.
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