Animal husbandry – Waste toilet or related device – Walled receptacle; e.g. – litter box – etc. – containing...
Patent
1976-12-23
1978-12-19
Chamblee, Hugh R.
Animal husbandry
Waste toilet or related device
Walled receptacle; e.g., litter box, etc., containing...
A61D 300
Patent
active
041300912
ABSTRACT:
This invention essentially consists of a padded blanket surrounding an animal, to which are attached lifting and controlling devices. Lift and some control are provided by ropes on an axle which is turned by a wheel sufficiently large to provide the desired mechanical advantage, or pulleys attached to a fixed beam above the pulleys. Further control is achieved by ropes or straps originating on both sides of the blanket and attached at their distal ends to the vertical supporting structure on each side. The supporting structure consists of a pair of tracks fastened to the ground enclosing wheels on which the vertical supporting structures roll, similar wheels in similar inverted tracks at the top of the vertical structures, vertical track supports spaced periodically along the tracks connecting upper and lower tracks, horizontal track supports spaced periodically along the tracks holding the upper tracks at points equidistant from each other, and a bumper surrounding the supporting structure just below the upper wheels.
REFERENCES:
patent: 216129 (1879-06-01), Arless
patent: 487190 (1892-11-01), Martin
patent: 560145 (1896-05-01), McGehee
patent: 2871915 (1959-02-01), Hogan
patent: 2976840 (1961-03-01), Hugus
patent: 3113340 (1963-12-01), Bush et al.
patent: 3621819 (1971-11-01), Hooper
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