US25515A - Approach-opening gate - Google Patents

Description

1. s. LLOYD.

Automatic Gate.

Patented Sept. 2o. 1859.

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UNITED sTATEs PATENT oEEicE.

JULIUS S. LLOYD, OF PHILADELPHIA, PENNSYLVANIA.

APPROACH-OPENING GATE.

Specification of Letters Patent No. 25,515, dated September 20, 1859'.

To all whom fit may concern:

Be it known that I, JULIUs S. LLOYD, of the city and county of Philadelphia and State of Pennsylvania, have invented a new and useful Improvement in Self-Acting Farm-Gates; and I do hereby declare the following to be a full, clear, and exact description of the same, reference being had to the accompanying drawing and to the letters of reference marked thereon.

My invention relates to an improved device for operating that class of farm gates in which an angular bar is used for causing the gate to run in and out from the posts, and my improvement consists in operating the angular bar by means of a carriage having two pulleys and a guard in combination with a rod having a projecting ar-m, and two cranked and weighted rods the whole being arranged for joint action substantially as described hereafter, so that the said angular bar may be operated with greater ease than by the devices hitherto employed for the same purpose.

In order to enable others to make and use my invention I will now proceed to describe its construction and operation.

On reference to the accompanying drawing which forms a part of this specilication, Figure l, is a ground plan, Fig. 2, a side view of the operating gear, and Fig. 3, a front view of my improved self acting farm gate.

Similar letters refer to similar parts I throughout the several views.

A and A are the two gate posts, secured to the foundation B, and C is the gate the latter being composed of a series of vertical bars connected together at the top by the bar o and the bottom by a similar bar c.

Two hangers Z d are secured one to each end of the lower bar e of the gate, and to each hanger is hung a grooved pulley f adapted to the edge of the bar D, which is hung to a pin in the bracket E, the latter being secured to the foundation B. To one end of the bar D is secured a rod F from the top of which ,projects at right-angles a weighted arm f which passes through and is guided by a slot in a plate 71, secured to the post A. Outside this post and to the foundation B, are secured two ways Gr adapted to receive the lianged wheels H, H, of the carriage I, in which the two pulleys J and J turn freely. Two guards K also secured to the foundation B, and passing over the peripheries of the wheels H H, to the flanges of which the bars are adapted, serve to prevent the carriage I from being risd above its proper position on the ways The upward movement of the projecting arm f of the rod F is limited by a guard L, attached to the carriage I, and the downward movement by the pulleys J and J and an intervening plate t, also attached to the carriage. To one end of the latter is attached a cord or chain M, which passes through an eye m in a projection on the foundation B, the end of the cord being attached to the upper end of the weighted arm a which forms a part of the cranked rod N, the latter being hung to staples in the foundation B. To the opposite end of the carriage is connected a cord or chain M', passing through an eye and attached to the weighted arm of a cranked rod N', which is similar to that above alluded to. The bar D is of the angular form represented in Fig. 3, and is capable of assuming the two positions, one shown in black and the other in red lines.

When in the position shown in black lines the gate will be in front of the opening between the posts A and A', and consequently closed, and when the bar is in the position shown by red lines, the gate will run out from between the posts, leaving the roadway unobstructed. Now the cranked rods N, on account of their weights, remain, when undisturbed, in the vertical position shown in Fig. 2. Supposing a carriage however to be passing toward the gate in the direction of the arrow, its wheel will depress the cranked rod N thereby drawing the carriage in a contrary direction to that pointed out by the arrow, causing the pulley J to bear on the projecting arm f and raise the rod and with the latter the bar D, which assumes the position shown in red lines, thus allowing the gate to run out and leaving the space between the gate posts unobstructed. After passing through the gateway the wheel of the carriage will depress the cranked rod IWI thereby drawing the carriage to its original position, lowering the rod F, causing the bar D to assume the position shown in black lines, and the gate to run back to its place between the posts. Precisely the same effect will be produced by a carriage passing in a direction contrary to that pointed out by the arrow.

I Wish it to be understood that I lay no broad claim to an angular rod D, so moved by the wheels of the carriage as to cause the gate to run in and out. But

I claim as my invention, and desire to secure by Letters Patent- Operating the angular bar D, by means of the carriage I, with its pulleys J and J, and guard L, in combination with the projecting arm f of the rod F and the cranked and Weighted rods N and N', and their respective Cords or chains, the Whole being arranged for joint action as and for the purpose herein set forth.

In testimony whereof, I have signed my 15 name to this specification in the presence of two subscribing Witnesses.

JULIUS S. LLOYD.

1Witnesses:

HENRY HoWsoN, CHARLES D. FREEMAN.

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