Material or article handling – Device for emptying portable receptacle – For emptying contents thereof into portable receiving means
Patent
1990-03-30
1991-11-05
Werner, Frank E.
Material or article handling
Device for emptying portable receptacle
For emptying contents thereof into portable receiving means
414730, 414409, 414 21, 414406, 298 22C, 901 46, B65F 304
Patent
active
050627597
ABSTRACT:
A safety circuit arrangement for use with lifting/tilting devices for emptying garbage containers into garbage trucks. To prevent the manipulation of switches such as flap and acknowledgement signal switches provided on such lifting/tilting devices, for the safety of the operating personnel, these switches are connected to a current flow monitor 25 which is electrically connected to an automatic control unit 30 for the automatic emptying of the garbage containers. This current flow monitor 25 transmits a "clear" signal to the automatic control unit 30 only if the flap and acknowledgement switches 16 and 11 are in their intended positions. In addition, other safety switches may be provided, such as lower and upper reference switches 9 and 32, respectively and a barrier switch 13.
REFERENCES:
patent: 4722656 (1988-02-01), Naab
patent: 4722658 (1988-02-01), Wurtz et al.
patent: 4726729 (1988-02-01), Olson et al.
patent: 4824315 (1989-04-01), Naab et al.
patent: 4854406 (1989-08-01), Appleton et al.
patent: 4889462 (1989-12-01), Naab et al.
Lehmann H. Gibner
Lehmann K. Gibner
Werner Frank E.
Zoller-Kipper GmbH
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