US559539A

US559539A - Elevator-guide

Info

Publication number: US559539A
Authority: US
Publication date: 1896-05-05
Anticipated expiration: 1913-05-05

Description

G. H. REYNOLDS. ELEVATOR GUIDE.

atented May 5, 1896.

(No Model.)

GEORGE II. REYNOLDS, OF .NEYV YORK, N. Y., ASSIGNOR TO THE CRANE ELEVATOR COMPANY, OF CHICAGO, ILLINOIS.

ELEVATOR-GUIDE.

SPECIFICATION forming part of Letters Patent No. 559,539, dated May 5, 1896.

Application filed December 17,1892. Serial No. 455,525. (No model.)

To ctZZ whom it may concern:

Be it known that I, GEORGE H. REYNOLDS, a citizen of the United States, residing in the city, county, and State of New York, have invented certain new and useful Improvements in Elevator-Guides, of which the following is a specification.

My invention relates to the guides of elevator-cages; and my invention consists in constr uctin g and connecting these guides,as fully set forth hereinafter, so as to overcome defects which have been proved to exist in practice.

In the accompanying drawings, Figure 1 is a sectional plan view showing an elevatorcage and its guides and embodying my improvement. Fig. 2 is a perspective View showing one of the guides and its connections. Fig. 3 is a vertical section through the supporting-beam and attachments. Fig. 4c is a view illustrating the ordinary form of guiderails, and Fig. 5 a view illustrating the manner in which the ordinary guide-rail becomes worn in use.

I-Ieretofore where metallic guides have been used for guiding the cage of an elevator it has been common to make use of an ordinary bar of merchant T-iron having the outline shown in Fig. 4. This form of iron has proved to be objectionable, because in course of time, from wear, it acquires the shape illustrated in Fig. 5, forming shoulders 00 00, which increase the friction with the guide-piece D upon the cage and which limit the play of the cage laterally, while the web of the rail becomes unduly weakened. To overcome these objections, I make use of a T-rail of the character illustrated in the drawings, Figs. 1 and 2, in which the head f of the web 13 is thickcued toward the outer edge, being of normal thickness at its junction with the flanges or base portion, and the sides of the thickened portion f may be machined or planed down to the requisite extent to get the desired thickness and parallelism, so as to receive the faces of the usual clamps without unduly weakening the web. The web will maintain its nor-.

mal strength notwithstanding the wear of the head portion f, and the guide-pieces D may the supports.

be each in two adjustable parts n n and set to accommodate this wearand prevent play of the cage.

It is common to put in the elevator apparatus of a building as soon as it is completed, and in such cases the guides are bolted directly to some portion of the structure, the result being that as the building settles there is strain upon the connections which hold the guide-pieces in place, so that the latter are sometimes sheared across or the guides are bent out of place, causing great friction in the running of the elevator. In order to overcome these objections, I clamp the guide-rails B to the supports A by means of such clamps as will hold the rails in proper vertical position, at the same time permitting slight independent vertical and lateral movements of Thus, supposing that one of the supports A is a joist or girder of the building, I apply the rail B thereto in proper posi- 7o tion and then bolt clamping-pieces a to the joist A in such manner as to overlap the flanges of the rail B without clamping the latter positively. This will permit a slight vertical movement of the joist or girder A without disturbing the position of the rail 13, as the clamps do not bear so hard upon the flanges but that the clamps will move vertically independent of the guide if the support should sink.

It is important to preserve the relative positions of the bolts, and to this end I pass them all through one piece or frame, preferably in the form of a plated, which lies fiat against the edges of the girder A, as best 85 shown in Fig. 2, and the bolts g may be the means of clamping the plate to the girder by providing each bolt with a head 2', adapted to en gage the opposite edge of the girder as with a hooked head. This permits a horizontal 9o movement of the support independent of the guide. The use of the piece d prevents any separation or spreading of the bolts and maintains their relation and permits requisite freedom of motion of the guide-rail. It also per- 9 5 mits ready alinement by inserting, as required, packing-pieces it between the piece cl and the base of the rail; Theclamps a are preferably made With narrow bearings m near the outer edges so that the strain exerted by the bolt Will tend to tilt the clamps and cause the inner ends to bear down on the base-flanges of the rail. 11 I do not claim, broadly, a rail with a widened ead.

\Vithout limiting myself to the precise con struction and arrangement of parts, I claim- 1. The combination With the support and guide-rail, of a plate interposed between said support and rail, clamps adapted to engage the rail so as to permit longitudinal movement 'of said support with reference to the rail, and

fastening-bolts passing through said plate and