Brushing – scrubbing – and general cleaning – Machines – Brushing
Patent
1980-03-31
1981-12-15
Roberts, Edward L.
Brushing, scrubbing, and general cleaning
Machines
Brushing
15DIG2, B60S 306
Patent
active
043051740
ABSTRACT:
A "roll over" type vehicle wash apparatus includes a frame which is movable on a track and which is driven between a front end and a rear end of the track. The apparatus includes a pair of front arms and a pair of rear arms which are pivotally connected to the frame. Side wrap brushes are rotatably connected to each of the front and rear arms and are rotated about vertical axes. A control circuit for automatically controlling operation of the apparatus includes five sequence control relays, FRONT IN and REAR IN switches for sensing side wrap brush position, a TOP BRUSH DOWN switch for sensing top brush position, and a HOME TRAVEL switch for sensing frame position on the track. The control circuit prevents both the front and rear arms from being fully in at the same time, thereby preventing a dangerous condition from occurring when very short vehicles are being washed.
REFERENCES:
patent: 3332098 (1967-07-01), Smith
patent: 3456275 (1969-07-01), Solomon
patent: 3497894 (1970-03-01), Oldham
patent: 3593357 (1971-07-01), Oldham
patent: 3688328 (1972-09-01), Wilkins
patent: 3750212 (1973-08-01), Bernardi et al.
patent: 4035862 (1977-07-01), Ennis et al.
patent: 4039014 (1977-08-01), Sellars
patent: 4063327 (1977-12-01), Barber
Plummer Ronald V.
Pyle Clayton C.
Wigelsworth Bobby R.
Roberts Edward L.
Valley Service and Installation, Inc.
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