US59060A - Improvement in gates - Google Patents

Description

M. PACKARD.

Gate. v

Patented Oct. 23, 1866.

@m ffiy N. PETERS. mlu-umo n mn Washingian n. c.

* -1'rn'rns PATE T OFFICE.

' MANNING PACKARD, OF CLARENDON, NEW YORK.

IMPROVEMENT IN GATES.

Specification forming part of Letters Patent No. 59,060., dated October 23, 1866.

To all whom it may concern:

Be it known that I, MANNING PACKARD, of Clarendon, in the county of Orleans and State of New York, have invented a certain new and useful Improvement in Farm-Gates; and I do hereby declare that the following is a full and exact description thereof, reference being had to the accompanying drawings, making part of this specification, in which- Figure 1 is a side elevation of my improved gate; Fig. 2, a cross-section of the same in the plane of line :0 00, Fig. 1.

Like letters of reference indicate correspondin g parts in both figures.

My invention belongs to that class known as slide-gates, and it consists, essentially, in the employment of parallel extension bars or boards, forming a part of the gate, in combination with an arrangement of grooved friction-rollers, pivoted to posts in such a manner that the rollers are made to operate between two of the extension-bars andsupport and balance the gate in any position; also, in an arrangement for adjusting the gate to a high or low position, according to the conditions of vthe weather, and avoid snow and other ob-v structions which might prevent the easy opcration of the gate.

As represented in the drawings, the gate proper, A, is composed of parallel bars or boards a a a, secured to cross cleats or slats f f and braces g g in the ordinary manner, the upper three bars forming extensions I) c d, as represented, for the purposes presently to be ex. plained. At suitable distances apart are set posts B C D in the ground. To the posts C D are pivoted friction-rollers h h, which operate, and fill the space between, the bars b c or c d, being grooved to receive the bars, resting in the same on opposite sides.

The rollers support the gate, and allow the same to be easily moved backward and forward.

The grooves are'made sufficiently deep to prevent the bars from becoming detached or disconnected from the rollers when in operation by lateral action.

In order that the slats ff and braces g g will not interrupt the passage of the rollers in the backward and forward motions of the gate, the extension bars or boards are not secured directly to the slats, but blocks it are placed between the same, leaving sufficient strikes into a corresponding socket in the post B, (shown in dotted lin es,'1 ig. 1,) which supports the front end of the gate, and prevents sagging of the same.

Beneath the gate, to-the post 0, is secured a guide, m, which serves to hold the bottom ot'the gate steadily and in place, and prevents any lateral motion.

A catch, a, engaging with pin 0, serves to hold the gate closed. The pin also serves as a stop in the opening of the gate.

A device has already been patented in which a single extension-bar or guide operating between two rollers is employed, the gate being provided with sockets or depressions on the lower side, which drop over the rollers, either in the extreme open or closed positions, and hold the gate in place. The principal object in the use of this single extension is simply to serve as v a guide, and to connect a weight or spring to produce the reaction of the gate in closing. This single bar could scarcely serve to sustain the weight of a heavy farm-gate, as it would bend and warp in-such a degree as to render it inoperative in passing over the rollers and, besides, the inventor had no such design, as he employs a separate roller under the main part of the gate. I

In my arrangement the two parallel extension-bars b c or c d form a stiff connection, and, being separated at considerable distance, are made to operate on opposite sides of the rollers, as shown in the drawings, and the weight of the gate does not bear upon either bar alone, but the great strain produced is divided and is shared by both, and the bars being braced sustain each other. The advantages of this arrangement will be readily understood. Instead of a single bar passing between two rollers, as in the case referred to, Iemploy two parallel bars, operating on opposite sides of two rollers.

Another important feature in my invention consists in an arrangement for adjusting the gate A to a high or low position, according to the conditions of the weather. In the winter when the snow is so deep as to obstruct the passage of the gate, by removing the pin or stop 0 the gate may he slid backward, so as to become entirely disconnected from the rollers h h, when it may be raised, as shown in dotted lines, Fig. 1, and the rollers then made to operate between the bars or boards I) 0 pre-' cisely in the same manner as before described.

By the arrangement of the rollers h h, operating between the extension-bars b 0 or c d, the gate is at all times perfectly sustained, whether closed or open or in an intermediate position; and by the employment of three or more extensiorrbars, as shown and described, both the advantages of a slide and adjustable gate are secured, and form a very simple and effective arrangement. I

I do not claim a single extension-bar running between rollers, as I am aware that the same is not new; but

hat I claim as my invention, and desire to secure by Letters Patent, is-- 1. Sustaining the weight of a gate and allowing it a free action by means of two eX-' tension-bars braced together and running on friction-rollers h h situated between them, the whole arranged and operating as herein set forth.

2. The employment of a series of extension- MANNING PACKARD.

Witnesses:

It. F. ()seoon, Z. L. DAVIS.

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