US753873A - Spring-motor. - Google Patents

Description

PATBNTED MAR. 8,

J'. B; vGIBBS.

2 SHEETS-SHEET '1.

www

`SPRING, MOTOR. APPLIUATION FILEDIAPR. 4, 1903.

U0 KODBL.

mun

wimmo' by CMM No. 753,873. PATBNTBD MAR.l 8, 1904.

' J.l E. GIBBs. Y

v SPRING MOTOR.

APPLIOATIVON FILED APB. 4, 1903. no uoDnL.

2 SHEETS-MHBT 2.

111W @.muul

' 4 f5'. G/HS Wmme@ l 'i l patenten Mami; s, 1904.

JAMEs EDWIN GIBBS, OF BRIDGEWTER, VIRGINIA, vAssIeNoR oE ONE- HALF TO GEORGE A. HORN, OF

NEWARK, NEW YORK.-

SPRING-Moron.

SPECIFICATION forming' partrof Letters Patent No. 753,873, dated March 8, 1904. Application iiled April 4, 1903l Serial No. 151,059. (No model.) Y

To all whom it may concern.-

Be it known that I, JAMES EDWIN GIBBS, a citizen of the United States, and a resident of Bridgewater, in the county of Rockingham and State of Virginia, have made a certain new and useful lnvention in Spring-Motors; and

I declare the following to be a full, clear, and

exact description of the same, such as will enable others skilled in the-art to which it appertains to make and use the invention, reference being had to the accompanying drawings, and to letters and figures of reference marked thereon, which form a part of this specification.

Figure l is a central horizontal section of the invention as applied. Fig. 2 is aside elevation of the invention. Fig. 3 is a detail view showing lthe casing for the mainspring inside elevation and the top separated therefrom. Fig. 4 is a detail view of the mainspring in its casing. Fig. 5 is a detail view ofthe worm-gearing.

The invention relates to spring-motors designed chieiiy for sewing-machines; and it consists in the novel construction and combinations of parts, as hereinafter set forth.

In the accompanying drawings, illustrating the invention, the 'letter a designates the supporting-frame, comprising a pedestal b and an adjustable holder-frame c. The motor-case d is pivoted to the arms of the holder-frame and contains the mainspring, its drum, the driving-shaft, and train of gearing.

The pedestal may be of ornamental -form and is provided with a bearing for the threaded stem e of the holder-frame, which is engaged by the hand-wheel f, whereby the holder-frame is adjusted to proper height with reference to the machine to which the motor is to be applied. The pedestal is also provided with `guide-bearings g for the lateral guides la of the holder-frame, these serving to hold it steady when in operation.

The motor-case is suspended between the arms of the holder-frame by the pivots k, which are horizontally opposite each other, in such wise that the motor-case can be adjusted to either horizontal or vertical position and so that it can be readily reversed in either position. The set-screws l, having a threaded connection with the arms of the holderframe, serve to fix the adjustment of the motor-case by engagement with the circumferential wall of such case, The pivots k are usually seated in open slot-bearings of the arms of the holder-frame, so that the casing can be readily'removed and replaced in position.

The shaft m extends centrally through the motor-case, and its ends project from opposite sides of the case, these ends being provided with seats at n for engagement with the driving-armp. This arrn is provided with a slotted extension q, which is designed to adjustably engage the driving-wheel of the machine to be operated. When used in connection with the stem of a fly-fan or other shaft to be rotated, the engaging catch may be of socket form, connected directly to the projecting end of the driving-shaft of the motor.

Around the middle portion of the drivingshaft m is the hollow arbor s, to which is attached the mainspring, its outer end being connected to the mainspring-drum u. On

. this arbor is secured a worm-wheel w, which is engaged by the worm o, the shaft of which is provided with a seat at its end for the application of a winding-crank for winding up the spring. The winding-gear is designed to be covered in by means of a casing, which may be detachable from the main casing. This arbor passes into the hub of the drum, which extends through a partition in the casing, and to said hub on the opposite side r from the drum is secured the center wheel 2, which engages in train the gears 3, 4, and 5, the latter engaging spur-gear 8, fast to shaft m.

In the construction illustrated the drum gear-wheel 2 upon shaft m engages the pinion 6 of the gear-wheel 3 upon shaft m', which engages the pinion 7 of the gear-wheel 4C upon shaft m2, which engages the pinion 5L of vgearwheel 5 upon shaft m3, which is secured to said shaft m. A brake-wheel a is provided on the `shaft m in order to enable the operator to slow up or stop the movement when necessary. It is not designed usually to employ a ratchet in connection with the mechanismto hold the spring when wound, the train of gearing being suiicient for this purpose, as it is easily controlled by the brake-wheel.

This motor is designed to be readily inverti- IOO places it under the ready control of the operator. This motor made on a larger scale can also be used for small power-launches.

Having described this invention, What I claim, and desire to secure by Letters Patent, 1s-

rIhe combination with an invertible springrnotor, and a pedestal, of a holding-frame, its threaded adjusting-stem and guides, the hand- Wheel on said stem, and the horizontal pivots of the spring-motor in connection with said holder-frame, substantially as specified.

In testimony whereof I aiiiX my signature in presence of two Witnesses.

JAMES EDWIN GIBBS.

Witnesses ALLIE DAvIEs, NELLE WHITMORE.

Images