US537186A - Jacob ebert - Google Patents

Description

JQ EBERTV STORE LADDER.

' (No Model.)

No. 537,186. Patented Apr. 9, 1895.

i INVENTOR Y WITNESSES. MW 6 UNIT-E STATES ATENI STORE-LADDER.

SPECIFICATION forming part of Letters Patent No. 537,186, dated April. 9, 1895.

Application filed December 31, 1894. Serial No. 533,485. (No model.)

To all whom it may concern.- 7 7 Be it known that I, JACOB EBERT, of the city of Baltimore and State of Maryland, have invented a new and useful Improvement in Store-Ladders, of which the following'is a full description.

The drawings accompanying this application illustrate the invention, of which-#- Figure 1 is a front perspective view of a store shelving showing the ladder extended on the left of the figure and folded up on the right. Fig. 2 is a view of the top part of the shelving and upper part of ladder showing means for moving the ladder along its track; Fig. 3, a view of swiveled bracket, track and attachments whereby the ladder is adapted to turn corners; Fig. 4, a View of track with curves and ladder on track turning the curves. Figs. 5 and Gillustratethe adjustable bracket for moving on-l0wer shelf track.

This ladder, as shown in the figures, is constructed to adapt itself to the ordinary shelving as constructed usually in stores.

A is the shelving, B the upper part of the ladder, and B the lower part. As will be seen the ladder is constructed in two parts, the upper part made to hang from its track, and the lower part intended to slide upon the upper and when thus folded to be pushed out of the passage way between the shelving and the counter. A suitable guiding device as b may be used to keep the lower section in place upon the upper section and guide it when sliding up or down and I usually attach a counterbalance weight b suspended by suitable cords attached to the lower section of the ladder to facilitate the easy sliding of the lower section upon the upper. At or near the top of the shelving Ihave constructed a rail and the upper end of the ladder is supplied with suitable brackets and pulleys which suspend it upon the rail and allow it to slide. The bracket with its pulleys and device attached thereto is illustrated in Fig. 3, in which D is the bracket curved around the top to provide a bearing for the shaft of the pulley E. It is also curved below as shown at d. It will be seen from this arrangement that the ladder can be pulled inwardly or outwardly without dislodging it from the track F. The lower part of the bracket is provided with a circular rod which passes through the bearings b attached to the clamps b, which clamps are in turn properly secured to the upper part of the ladder. This arrangement enables me to run the ladder around curves in the track as shown in Fig. 4. I have also devised means by which the ladder can be run'along its track from any desired position in the store, which I have illustrated in Fig. 1, in which it, h and Ware pulleys over which is passed the cord 71 Following the cord h it will be seen that it passes over the right-hand side of pulley h, then over pulley h, and returning is attached to the ladder at the top on the left-hand side. The other cord passes over h to the left, then under and over It, and is attached to the ladder at the right. By pulling upon either of these cords the ladder may be moved in either direction.

There is usually built upon store shelves a ledge or counter-shelf shown at A. (See Fig. 1.) It will be seen that the upper section of the ladder falls within this ledge and the lower section of the ladder outside of it. Upon the edge of this ledge or counter-shelf may be placed a plain strip of metal to prevent abrasure of the wood, and I have erected upon the -lower section of the ladder the adjustable bracket 1, shown in Figs. 5 and 6. This bracket is provided with the arms '6. In Fig.6 the arms are shown in full lines folded within the side walls of the ladder, and in dotted lines they are shown extended. The arms are provided with the pulleys 11 at their free ends and these pulleys contact with and run upon the edge of the counter-shelf.

In operation the ladder may be allowed to;

remain as shown to the left in Fig. 1 wherein it is extended and its side walls are allowed to rest against the ledge. So long asit is not in the way it may remain in this position. If the passage way between the counter and the shelving should be narrow the lower section is thrown up and the ladder is placed in the position shown to the right in Fig. 1. In either of these positions it may slide alongits track rail either by pushing the ladder or pulling on the cords h The bracket I may vided with rollers, in combination witha track at any time be thrown out and its pulleys alto support and carry the upper part of the lowed to rest upon the edge of the counter ladder, and a track for guiding the lower secshelf and in this position affords a convenient tion located on the shelf or counter-ledge.

5 step for a party desiring to ascend. Signed at Baltimore city and State of Maryr5 \Vhat I claim, and desire to secure by.Letland this 27th day of December, A. D. 1894. tors Patent, is J AOOB EBERT.

A shelf ladder provided with a vertically Witnesses: sliding extension having rollers at the top and JOHN L. IIEBB,

I0 a pivoted bracket on the extension and proll. MACCARTHY.

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