Animal husbandry – Feeding device – Timer-controlled
Patent
1991-08-22
1992-09-29
Mancene, Gene
Animal husbandry
Feeding device
Timer-controlled
A01K 502
Patent
active
051506645
ABSTRACT:
A device for dispensing e.g. food to domestic animals comprises a dish divided into sector-shaped compartments over which a removable cover rotates. The cover has an opening which registers with the compartments in sequence. The cover is rotated by a clock spring at intervals timed by a timer mechanism in turn driven by an electric motor. Cams of the timer mechanism sequentially displace one end of a cam follower or rocker lever so that its other end disengages a first abutment rotatable with the cover, permitting the spring to rotate the cover until a next abutment is engaged. The abutments opposed to the direction of rotation of the cover by the spring extend progressively further from the axis of rotation of the cover, or in an alternative arrangement are stepped in the direction of its rotational axis. Similarly the cams of the timer mechanism extend progressively further from its axis of rotation or are stepped in the direction of this axis. By disengaging the abutments successively the cam follower controls angular movement of the cover at time intervals determined by the circumferential separation of the cam surfaces. In a preferred construction this circumferential separation is adjustable as the cam surfaces are provided on respective time set levers which are manually adjustable about the axis of rotation of the timer device.
REFERENCES:
patent: 3826231 (1974-07-01), Crawford
patent: 3900007 (1975-08-01), Smith
patent: 4248175 (1981-02-01), Navarro
patent: 4450790 (1984-05-01), Stansbury, Jr.
patent: 4617874 (1986-10-01), Zammaranu
patent: 4671210 (1987-06-01), Robinson et al.
Mancene Gene
Pet Mate Limited
Price Thomas
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