Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1986-05-08
1987-08-11
Moore, Chris K.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15332, A47L 932
Patent
active
046851712
ABSTRACT:
The combination with apparatus, wherein an endless tensioned belt is twisted to form a first loop engaging the unsupported end of a motor shaft and a second loop engaging a rotary element so as to drive same, of a removable barrier to the advancement or creep of the endless tensioned belt towards the unsupported end of the motor shaft when the rotary element has reverse rotation imparted to it, the removable barrier including an anchoring portion securable to the housing and having a portion projecting therefrom into the housing to present a bearing surface to at least one reach of the tensioned belt in the path of advancement or creep of same.
REFERENCES:
patent: 2322223 (1943-06-01), Coss
patent: 2538464 (1951-01-01), MacFarland
patent: 2616115 (1952-11-01), Dayton
patent: 2954577 (1960-10-01), Beach
patent: 3049744 (1962-08-01), MacFarland
Green Weldon F.
Iona Appliances Inc.
Moore Chris K.
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