US410321A

US410321A - Belt-tightener

Info

Publication number: US410321A
Authority: US
Publication date: 1889-09-03
Anticipated expiration: 1906-09-03

Description

(No Model.) 2 Sheetq-Shet 1.

P. R. HYNES.

BELT TIGHTBNER.

No. 410,321. v Patented se mjlsa 2 Sheets-Sheet 2.

(No Model.) 1

F. R. HYNES. BELT TIGHTENER.

Patented Sept. 3, 1889.

UNITED STATES PATENT HOFFICE.

FRAN K R HYNEs, OF ROOHESTER, NEW YORK. v

BELT-TIGHTENER.

" SPECIFICATION forming part of Letters Patent No. 410,321, dated September 3, 1889.

Application filed March 30, 1889- Serial No. 305,4:85. (No model.)

To all whom it 11mg concern:

Be it known that I, FRANK R. HYNES, of Rochester,in the county of Monroe and State of New York, have invented a certain new and useful Improvement in Belt-Tighteners; and I do hereby declare that the following is a full, clear, and exact description of the same,

reference being had to the drawings accompanying this application.

The object of my invention is'to provide means whereby a counter-shaft having pulleys thereon may be moved bodily to tighten or loosen the delivery-belt that extends from the pulleys to the machinery.

To this end my invention consists in the construction and arrangement of "parts hereinafter described and claimed.

In the drawings, Figure 1 is a front elevation of the apparatus. Fig. 2 is an end elevation of the same, looking in the directionindicated by the arrows at the right in Fig. 1.

A A indicate two or more hangers suspended from a ceiling or other support.

B is the counter-shaft, the ends of which rest in boxes (1 a, which have free movement up and down in ways b b in the lower ends of the hangers. The boxes have flan ges c c,w.hich overlap the ways I) b and keep the boxes in place.

O O are fast and loose pulleys on which runs a driving-belt D, that extends to a pulley on the line-shaft by which the power is column nicated, and E E are a set of cone-pulleys, on which runs the delivery-belt G, that drives the machinery. Any desired number of the pulleys may be used.

H H are two vertical screw-shafts at opposite ends, screwing at their lower ends into the boxes an a, and sustained at their upper ends by cross-bars d d, or other suitable bearings of the hangers.

I is a longitudinal shaft above the hangers, and f f and f f are bevel-gears on said screwshafts and longitudinal shaft, engaging to-- gether, as shown.

K is a hand-shaft provided with a handwheel g, and h i are two miter-gears, respectively on the hand-shaft and longitudinal shaft, engaging together.

The operation is as follows: By turning the be raised or lowered bodily and in accordancewith the. way in which the hand-shaft is turned. 0 G and E E, willbe moved bodily up or down, and the tightening or the loosening action will be produced on the delivery-belt G, that ex: tends to the machinery. The great advantage consists in locating the pulleys all on a counter-shaft and giving said shaft a movement bodily up and down,whereby the delivery-belt is tightened and released, while the drivingbelt is under constant motion and is not affected by the adjustment.

- The apparatus may be located vertically, as shown, or horizontally, or both, or in any desired position.

Having described my invention, what I claim as new, and desire to secure by Letters Patent, isg I In a belt-tightener, the combination of the hangers A A, provided with ways I) b, the boxes a a, resting loosely in the hangers, the counter-shaft B, resting in said boxes and provided with pulleys, the screw-shafts H H, screwing into the boxes, the longitudinal shaft I, located above the hangers, the gears ff and f f, connecting the longitudinal shaft and The shaft B, and with it the pulleys screw-shafts, the hand-shaft K, and the gears h 1', connecting the hand-shaft and longitudinal shaft, as shown and described, and for the purpose specified.

In witness whereof I have hereunto signed my name in the presence of two subscribing witnesses.

' FRANK R. HYNES. Witnesses:

RF. Oscoon,

P. A. COSTICH.