Full bag indicator

Details Full bag indicator Full bag indicator

1981-10-08

1983-11-22

Moore, Chris K.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

116268, 55274, 55DIG34, A47L 919

Patent

active

044160330

ABSTRACT:
There is provided a full bag indicator which is calibrated by movement of it along the structure it is mounted to, to thereby vary an aperture leading into the full bag indicator.

REFERENCES:
patent: 3119369 (1964-01-01), Harland et al.
patent: 3381652 (1968-05-01), Schaefer et al.
patent: 3678882 (1972-07-01), Kinsella
patent: 4070170 (1978-01-01), Leinfelt

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