Conveyors: power-driven – With alarm or indicator – Means for measuring dimensions of load on a conveyor
Patent
1987-02-24
1988-03-29
Valenza, Joseph E.
Conveyors: power-driven
With alarm or indicator
Means for measuring dimensions of load on a conveyor
377 6, G06M 700
Patent
active
047337699
ABSTRACT:
A device is provided for counting moving objects, such as eggs lying on a moving conveyor belt. This device comprises a lever which can be moved by the moving objects, a signalling element for generating a detectable signal as a response to a movement of the lever, and a coupling and resetting mechanism for transmitting the movement of the lever to the signalling element and for automatically resetting both the lever and the signalling element during a decrease in the size of the portion of a moving object which is in contact with the lever, after a preceding increase thereof and the associated generation of a signal. The coupling and resetting mechanism comprises an essentially cylindrical drum which is rotatable about a shaft and which is provided with a projecting part extending essentially in a radial direction for operating the signalling element. A cord is looped round the drum. One end of the cord is attached to an extension piece of the lever and the other end is attached to an elastically deformable element for tensioning the cord around the drum. The cord is able to slip over the outside surface of the drum with friction.
REFERENCES:
patent: 857996 (1907-06-01), Hague
patent: 3238694 (1966-03-01), Bartlett et al.
patent: 3500982 (1970-03-01), Belk
patent: 3632918 (1972-01-01), Anson et al.
Elite N.V.
Holmes Jonathan D.
Valenza Joseph E.
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