Vacuum cleaner with wheel and nozzle height adjusting mechanism

Details Vacuum cleaner with wheel and nozzle height adjusting mechanism Vacuum cleaner with wheel and nozzle height adjusting mechanism

1981-03-13

1983-07-05

Moore, Chris K.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

15354, A47L 534

Patent

active

043910181

ABSTRACT:
A suction cleaner having a chassis including a suction nozzle inlet at the bottom thereof and first and second sets of wheels supporting such chassis for movement on a floor surface is provided with a nozzle height adjusting mechanism comprising first axle means carried by said chassis for rotatably supporting said first set of wheels, second axle means including a central portion having a pintle shaft mounted therewith and with the chassis for enabling rocking movement of said axle means relative said chassis, an actuating portion on one side of said pintle shaft, and a pair of offset arms formed on an opposite side of said pintle shaft extending laterally outwardly thereof for journaling said second set of wheels, said offset arms being longitudinally spaced from said first axle means, an adjustment lever journaled on said chassis having one end portion angulated to engage said actuating portion so that rocking movement of said adjustment lever rocks said second axle means about said pintle shaft and thereby raises or lowers said second set of wheels relative said chassis and a second end portion extending through said chassis and being manually engageable by an operator to adjust the nozzle height as it is rocked back and forth thereby.

REFERENCES:
patent: 3848292 (1974-11-01), Nordeen et al.
patent: 4167801 (1979-09-01), Erbor et al.
patent: 4199839 (1980-04-01), Martinec

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