Animal husbandry – Waste toilet or related device
Reexamination Certificate
2000-02-25
2001-10-23
Poon, Peter M. (Department: 3643)
Animal husbandry
Waste toilet or related device
C294S001400
Reexamination Certificate
active
06305322
ABSTRACT:
BACKGROUND OF THE INVENTION
The invention pertains to an animal waste pickup device that can be used in an easy procedure and in a completely sanitary manner. Pet owners and other observers are quite familiar with city and other local ordinances that require pet owners, who take their pets for walks, to pick up the pet's or animal's dropping such as feces to keep the environment in a sanitary condition. This ordinance, including common sense, applies to public properties as well as private properties. With the increased public concern over sanitation and a cleaner environment many municipalities have required that dog owners clean up after the animals have defecated on public properties. Although this is more pleasant for the public, it leaves the dog owner with an extremely unpleasant task. Many different scooping devices have been provided to hold a bag open while the feces are scraped or scooped therein. Various devices are known to accomplish the above mandate. It is known to use plastic gloves that are worn on the hand which simply pick up the droppings and by inverting the glove or by stripping the glove off the hand to invert the same, the dropping can be disposed of in a sanitary manner. Others simply carry a small shovel and a bucket or similar container to accomplish the same task as noted above. Then, there are other more complicated devices which accomplish the pick up and disposal of animal droppings in a completely sanitary manner.
U.S. Pat. No. 4,097,082 describes a device which accomplishes the above noted task. The implement described in the above noted patent consists of an elastomeric band to automatically close over the mouth of a flexible wrapper which is operated by two side plates that will swing inwardly at their bottoms to thereby grab the flexible wrapper having the animal dropping therein, to keep it therein and to thereafter dispose of the same, all in a sanitary manner.
U.S. Pat. No. 5,628,537 shows a similar device. This patent discloses a device which also uses a pair of jaws that are pivotally attached to one end of a long handle. An elongated sleeve is connected to the jaws around the handle. When the jaws are locked open, a bag clip engages the closed end of an ordinary thin plastic bag while the open end of the bag is everted over the edges of the jaws. To pick up the dog feces, the user positions the open bag over the waste, makes jaw contact with the ground, rotates the sleeve to unlock a sliding motion and moves the sleeve downward on the handle. This closes the jaws and encloses the waste within the bag to be disposed of at a later time and in a sanitary manner.
OBJECTS OF THE INVENTION
An object of the invention at hand is to simplify the above noted task of picking up the animal droppings or feces and to dispose of the same in a completely sanitary manner. To this end, the device of the invention operates in a very simple and effective way. It is a lightweight portable device which is easily carried by the user in one hand while being able to control the animal on a leash with the other hand. The device is then activated, with one hand, picking up the feces, bagging and releasing the sealed bag with the waste inside and then dispose of the bag in an appropriate location. Any parts of the device do not come into direct contact with the dog droppings or feces. The device includes a claw and when the claw is activated, the bag performs the function of shielding the claw mechanism from the waste. The device consists of a hollow tube that contains a rod running through the tube and it has a handle on one end and a scooping claw mechanism on the other end. On the rod end closest to the claw, a spring is attached that allows for the automatic retraction of the claw when the handle is released in a controlled manner. The hollow tube on the claw end of the inventive device has a cylinder attached to the same with a bag attached which the claw collapses and triggers the bag to seal.
REFERENCES:
patent: 3444938 (1969-05-01), Ballmann
patent: 3819220 (1974-06-01), Bredt
patent: 4078838 (1978-03-01), Nadratowski
patent: 4200319 (1980-04-01), Cooper
patent: 4225169 (1980-09-01), DeToma
patent: 4466647 (1984-08-01), Spevak
patent: 5344200 (1994-09-01), Yoshioka
patent: 406033429 (1994-02-01), None
Nguyen Son T.
Patel Tony
Poon Peter M.
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