Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1984-10-29
1986-03-11
Moore, Chris K.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15327F, 15257A, 16DIG24, 206501, 206510, 220 4D, 220 94R, 248154, 248505, 292259R, A47L 900
Patent
active
045744211
ABSTRACT:
The present invention relates to a vacuum cleaner locking device that is particularly adapted to lock an industrial vacuum cleaner of the type having an upper container and lower container disposed in a stacked relationship wherein each container includes a pair of handles which are aligned with the handles of the other container. The vacuum cleaner locking device includes a pair of L-shaped locking bars having vertical and horizontal sections. Each vertical section extends vertically along one side of the vacuum cleaner and through a respective handle on the upper container and engages a respective handle on the lower container. A hook is formed in the lower end of each vertical section for extending around and underneath the respective lower handles for engaging the same. The horizontal sections extend from the upper end of the vertical section over the top of the upper container to a point where they meet. At this point the ends of the horizontal sections turn upward and abut against each other. A hole is drilled through the upward portion of the horizontal sections so that a padlock can be inserted through the same. Therefore, once the hooks are engaged with the lower handles and a padlock is inserted through the holes in the upward portion of the horizontal sections, the upper container cannot be lifted from the lower container but is restrained by the L-shaped locking bars.
REFERENCES:
patent: 862908 (1907-08-01), Hawkinson
patent: 1519874 (1924-12-01), Page
patent: 2033833 (1936-03-01), Kent
patent: 2817552 (1957-12-01), Bruel
patent: 2888970 (1959-06-01), Seaver
patent: 3144016 (1964-08-01), Basci
patent: 3266765 (1966-08-01), Campbell
patent: 4036346 (1977-07-01), Livingston
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