Switch Stand (Patent No: 175642)

Inventor: Dillon, John James

Location: Edmonton

Comments: N/A

Description: Plaque et support d’aiguille.

John James Dillon, West Edmonton, Alberta, Canada, 13th March, 1917; 6 years. Filed 16th December, 1915. Receipt No. 259,110.

Claim.—1. The combination with a switch stand, the crank shaft and the table thereof, having suitably disposed side notches therein, of a head piece permanently secured to the crank shaft and operating over the table, a downwardly extending pivoted operating lever secured to the head piece and normally entering one of the notches, and gravity operated means for automatically locking the lever in closed position within the notch.

2. The combination with a switch stand, the crank shaft and the table thereof, having suitably disposed side notches therein, of a head piece permanently secured to the crank shaft and operating over the table, a downwardly extending pivoted operating lever secured to the head piece and normally entering one of the notches and a releasable dog normally engaging with the back face of the lever and locking the same normally within the notch.

3. The combination with a switch stand, the crank shaft and the table thereof, having suitably disposed side notches therein, of a head piece permanently secured to the crank shaft and operating over the table, a downwardly extending pivoted operating lever secured to the head piece and normally entering one of the notches, said lever having the rear face thereof fitted with a series of ratchet teeth, and a releasable dog pivotally secured to the head piece and normally engaging with the teeth of the lever and locking the lever normally in closed position within the notch.

4. The combination with a switch stand, the crank shaft and the table thereof, having suitably disposed side notches therein, of a head piece permanently secured to the crank shaft and operating over the table, a downwardly extending pivoted operating- lever secured to the head piece and normally entering one of the notches, said lever having the rear face thereof fitted with a series of ratchet teeth, a dog pivotally secured to the head piece, and gravity operated means for retaining the dog normally in engagement with the teeth of the lever to lock the lever in the down position.

5. The combination with a switch stand, the crank and the table thereof, having suitably disposed side notches therein, of a head piece permanently secured to the crank shaft and operating over the table, a downwardly extending pivoted operating lever secured to the head piece and normally entering one of the notches, said lever having the rear face thereof fitted with a series of ratchet teeth, a cross pin rotatably mounted in the head, a dog housed within the head and secured to the cross pin and designed to operate on the teeth of the lever, a trip bar permanently secured to the cross pin, a stud extending from the bar, and a weight pivotally mounted on the cross pin and engaging with the stud and designed to effect, through the trip bar, the holding of the dog normally against the teeth of the lever.

6. The combination with a switch stand, the crank shaft and the table thereof having suitably disposed side notches therein, of a head piece permanently secured to the crank shaft and operating over the table, a downwardly extending pivoted operating lever secured to the head piece and normally entering one of the notches, said lever having the rear face thereof fitted with a series of ratchet teeth, a cross pin rotatably mounted in the head, a dog housed within the head and secured to the cross pin and designed to operate on the teeth of the lever, a trip bar permanently secured to the cross pin, a stud extending from the bar, and a weight mounted on the cross pin and provided with a slot normally receiving the stud and with a lug designed to engage the stud in the swinging of the weight.

7. The combination with a switch stand, the crank shaft and the table thereof, having suitably disposed side notches therein, of a headpiece operating over the table and permanently secured to the upper end of the crank shaft, a cross pin pivotally mounted in the extending end of the head, an operating lever secured to the pin and having the upper end thereof housed within the head and fitted on the rear side with a series of ratchet teeth and with the forward side normally entering one of the notches in the table, a second cross pin rotatably mounted in the head, a dog secured to the latter pin, a trip bar secured to the latter pin, a stud projecting outwardly from the bar, a weight pivotally mounted on the latter pin and provided with a slot normally receiving the stud and with a projecting lug, said weight being designed, with the stud in the slot, to hold the dog engaged with the ratchet teeth of the lever and when turned on the pin to effect, through the lug, the swinging of the stud and the release of the dog from the teeth, a trip arm permanently secured to the former cross pin, and a latch pivotally secured to the head and bearing normally on the arm and provided with a catch to receive the weight in the final upswung position thereof.

8. The combination with a switch stand, the crank shaft and the table thereof having suitably disposed notches therein, of a head piece operating over the table and permanently secured to the upper end of the crank shaft, a cross pin pivotally mounted in the extending end of the, head, an operating lever secured to the pin and having the upper end thereof housed within the head and fitted on the rear side with a series of ratchet teeth and with the forward side normally entering one of the notches in the table, a second cross pin rotatably mounted in the head, a dog secured to the latter pin, a trip bar secured to the latter pin, a stud projecting outwardly from the bar, a weight pivotally mounted on the latter pin and provided with a slot normally receiving the stud and with a projecting lug, said weight being designed, with the stud in the slot, to hold the dog engaged with the ratchet teeth of the lever and when turned on the pin to effect, through the lug, the swinging of the stud and the release of the dog from the teeth, means carried by the head for catching the weight when swung upwardly to release the dog, and means actuated by the lever in swinging outwardly to raise the catch and receive the weight with the stud in the slot.