Apparatus for detecting animal estrus

Details Apparatus for detecting animal estrus Apparatus for detecting animal estrus

1978-07-28

1980-06-10

Little, Willis

Surgery

Truss

Pad

119 1, A01K 1100, A61B 1000

Patent

active

042067669

ABSTRACT:
An animal estrus detection apparatus adapted to be secured to the rump portion of a first animal, and actuated by a second animal mounting the first and thereby applying a predetermined amount of pressure thereon a depressible pin. The pin's motion is transferred by a linkage mechanism to a release mechanism, which then disengages an outer cover causing it to fall away and deploy an estrus indicating streamer. The release mechanism may include either a pneumatic or an escapement type release timer which is powered by said linkage and which prevents said linkage from powering said release mechanism until a predetermined period of time has elapsed. The release mechanism may also include a counting mechanism which actuates the release arm only after a predetermined number of successive mountings of said first animal. A second, hydraulic timer, actuated when the outer cover is released, measures the time elapsed since the outer cover's release.

REFERENCES:
patent: 3076431 (1963-02-01), Rule et al.
patent: 3158133 (1964-11-01), Larson
patent: 3824989 (1974-07-01), Horner et al.
patent: 3842802 (1974-10-01), Lang et al.

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