Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 6666169 | Neck extending method and headgate therefore A headgate apparatus comprises a pair of vertically oriented shoulder bars separated by a space that is wide enough to accommodate the neck and narrow enough to prevent passage of the shoulders therebetween. A pair of vertically oriented head bars is moun... | 12/23/2003 |
| 6082306 | Animal safety stanchion with stanchion bumper A stanchion bumper is provided for use with a cattle stanchion having a head opening typically defined by a stationary, vertically-oriented stanchion and a pivotal release stanchion which, when tilted in one direction, enlarges the upper part of the openi... | 07/04/2000 |
| 5908009 | Cattle head gate Cattle head gate on a squeeze chute which includes a pair of gates which open outwardly, with each gate pivotally attached to the chute about separate vertical axes, the vertical axis of each gate being positioned longitudinally outside of the squeeze chu... | 06/01/1999 |
| 4579084 | Neckbar for an animal headgate An animal headgate including a pair of neckbars attached to the gates in such a manner that the neckbars are movable and adjustable independently from the movement of or adjustment of the gates. The neckbars are biased to pivot away from each other. Conta... | 04/01/1986 |
| 4366776 | Self-locking cattle head gate assembly A self-locking cattle head gate assembly is provided for restraining the head of an animal in a relatively immobilized position while medication or other treatment is administered thereto. A pivotally mounted chute gate is positioned at the end of a stall... | 01/04/1983 |
| 4357906 | Animal restraint A headgate has a pair of generally-upright elongated pipes spaced apart somewhat greater than the width of an animal to be restrained. The pipes are mounted for rotation, and spur gears are mounted respectively near one end of each of the pipes. A pair of... | 11/09/1982 |
| 4304195 | Head gate for pen confining structure A head gate for pen confining structures is disclosed. The head gate utilizes two synchronized gates with a gap there between. When the animal enters the gate, the gap is lodged in its open position. As the animal moves forward, the neck of the animal fit... | 12/08/1981 |
