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Publication numberUS543935 A
Publication typeGrant
Publication dateAug 6, 1895
Filing dateOct 20, 1893
Publication numberUS 543935 A, US 543935A, US-A-543935, US543935 A, US543935A
InventorsJohn T. Hostler
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Coupling device
US 543935 A
Abstract  available in
Previous page
Next page
Claims  available in
Description  (OCR text may contain errors)

(No Model.)


Patented Aug. 6, 1895.




SPECIFICATION, forming part of Letters Patent No. 543,935, dated August 6, 1895.

Application filed October 20, 1893- Serial No. 488,680. (No model.)

To all whom it may concern.-

Be it known thatI, JOHN T. HOSTLER, a citizen of the United States, residing at the city of Kalamazoo, in the county of Kalamazoo and State of Michigan, have invented a certain new and useful Coupling Device, of which the following is a specification.

Myinvention relates to means of attaching and detaching the pump-rod of a Windmill to and from the piston-rod of a pump.

This invention is an improvement on a former invention of mine for .the same purpose for which I have applied for Letters Patent April 20, 1893, Serial No. 471,187.

The objects of this invention are, first, to provide'a device that shall require no extra preparation of the piston-rod of the pump and no change in the windmill pump-rod; second, to provide means of adjusting the catch; third, to provide improved means of operating the catch; fourth, to provide improved means of holding the catch in position required, and, fifth, to simplify the construction generally. I accomplish these results by the device shown in the accompanying drawings, in which- Figure l is a view in perspective of the same. Fig. 2 is a vertical sectional view from front to back through the same.

Similar letters of reference refer to similar parts throughout both views.

A is the top portion of the piston-rod of a pump in the usual form.

C is the pump-rod of a windmill.

B is the iron slide embodying my invention and is adapted to receive the pump piston-rod in the usual way. I extend the slide B laterally on each side of the piston-rod A,

. forming opposite parallel projections D D,

which are connected by a cross portion a, which serves to retain the piston-rod A in place laterally.

' Between the plates D is alatch-piece E, pivoted at 0. Through the upper end of this latch-piece E a screw-bolt a is inserted, which is pointed at the end and adapted to engage the hole I), which is found in nearly all pump piston-rods. Thisbolt is of course adjustable, and the jam-nut a looks it in place. Through the latch piece Eis an elongated openingf, and an eccentric-cam G on rod H is adapted to move in the opening f, so as to operate the latch-piece E.

The rod H is adapted to bearings in the plates D and is held to place by any suitable bushing or other well-known means. The rod H is bent to one side and forms handle H for operating the device.

As shown, the windmill pump-Tod is attached. By turning the handle H up and over to the opposite position the eccentric-cam G will be rotated a little more than half way and the latch-piece E withdrawn, thus uncoupling the parts. As the eccentric passes a little by the center each time, the parts are not liable to he accidentally displaced. I prefer to have the cam fit a little tight in the upper end of the openingf, as a double precaution against accidental displacement.

The advantage of this device is apparent. It is adjustable and consequently requires no fitting of the parts. It is compact and strong, not depending upon rivets or bolts to hold its sides together, and advantage is taken of the holes already in most piston-rods for applying the catch, which is a saving of time and expense in application.

The details of construction of my invention can be considerably varied, as circumstances mayrequire, without departing from its principle.

Having thus described my invention, what I claim-as new, and desire to secure by Letters Patent, is

1. In a coupling device for windmills, the combination, with a pump-rod, O, piston-rod, A, and the slide, B, carrying the projecting plates, D, of a latch-piece, E, pivoted in the plates, D, and having the elongated slot, f, the adjustable bolt, a, carried by the latch-piece, E, the rod, H, having the handle, H, and the cam, G, carried on the rod, H, and working in the slot of the latch-piece and adapted to opcrate the pivoted latch in both directions and to hold it in position.

2. In a coupling device for Windmills, the combination with a pump-rod, O, piston-rod, A, the slide, B, the projecting plates, D, thereon a latch-piece, E, pivoted in the plates, D, and having the elongated slot, f, a projecting part, a, 0n the latch-piece, E, the rod, H, the

In witness whereof I have hereunto set my hand and seal in the presence of two Witnesses.

handle, H, and the cam, G, on the rod, H, JOHN HOSILER' 5 Working in the slot f of the latch-piece and Witnesses:

adapted to operate the pivoted latch in both directions and hold it in position.


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US2775295 *Mar 30, 1953Dec 25, 1956Williams Fred RArticle of fabric and method and means for making the same
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Cooperative ClassificationB62K25/02, F16B1/00