US392867A - Rolling seat for boats - Google Patents

Description

(No Model.)

B. JQKERNS.

ROLLING SEAT FOR BOATS. 7 No. 392,867. Patented Nov. l3 1888.

N, PEIEns. Phob-Lilhu n her, wumn mn. D.c.

EDWARD J. KERNS, OF \VOROESTER, MASSACHUSETTS.

ROLLING SEAT FOR BOATS.

SPECIFICATION forming part of Letters Patent No. 892,867, dated November 13, 1888.

Applicationfiled September 24, 1888. Serial No. 286,161. (No model.)

full, clear, and exact description thereof, which,

in connection with the drawings making a part of this specification, will enable others skilled in the art to which my invention belongs to make and use the same.

Myinvention relates to roller-seats for rowboats, and more particularly to certain novel features of construction of the track on which the rollers run, as will be hereinafter described.

The object of my invention is to produce a roller-seat, especially designed and adapted for racing boats, in which there shall be the least possible friction and the least expenditure of strength to cause the seat to roll or move back and forth, and at the same time to produce a very light yet durable and strong roller-seat, and one which will outwear the roller-seats for boats now in general use.

The essential feature of my invention consists in the improved construction of the tracks on which the rollers run and are guided, the form of the track, and the material of which it is made, as will be hereinafter fully described.

Referring to the drawings, Figure 1 is a plan View of my improved roller-seat and track. Fig. 2 is a side view; Fig. 3, a crosssection on line a: m, Fig. 1, looking in the direction of the arrow, same figure; and Fig. 4 represents on an enlarged scale a cross-section on line 3 y of one of the tracks.

In the accompanying drawings, 1 is the seat proper, supported upon and secured to the side bars, 2. Each side bar, 2, is supported upon two pairs of rollers or trucks, 3. The rollers 3 are preferably made of brass joined together by a steel axle, and the inner surface of each roller is smooth and polished. Upon the lower surface of the side bars, 2, are secured steel plates 4 for bearings for the axles of the rollers 3, and the axles are confined to the bearing-plates 4 by a thin band of metal, 5, secured to the side bars, 2. The bands 5 in no way obstruct the revolutions of the rollers 3, as each pair of rollers can play freely over a surface between the bent ends of the confining-bands 5, as clearly shown in Fig. 2. A side guide or hook, 6, extends down from the outer sideof each side bar, 2,with its lower end extending over and adapted to slide along a rib, 7, projecting from the outer side of track 8. The purpose of the hook 6 is to hold the rollerseat down in position upon the tracks 8 when the boat is turned over. The tracks 8 upon which the rollers run are made of strips of wood,9, in this instance covered upon the top surface with a veneer of vulcanized fiber, 10, which serves as a bearing upon which the rollers 3 run. Along the center of each strip 9 over the vulcanized fiber 10, extends longitudinally a guide-rib, 11, having projecting edges at its upper part. In this instance the upper surface of the guide-rib 11 is covered with a veneer of vulcanized fiber, 12, the edges 12 of which project beyond the edges 'of the guide-rib 11 and form the projecting edges of I said guiderib above referred to.

The guide-rib 11 is, in this instance, secured by screws 13 to the strip 9 and serves to keep the veneer of vulcanized fiber 10 down in place on said strip 9, and the screws 13 hold the veneer of vulcanized fiber 12 in place on the guide-rib 11. By means of the projecting edges of the guide-rib 11,1 lessen the bearing-surface for the inner surface of the rollers 3 and bring it nearer the axis thereof, thus reducing very much the friction in case of any side motion of the roller-seat in the rocking of the boat. At the same time I prevent the rollers from running up on the guidarib 11 and getting off the track. I

By the employment of veneers of vulcanized fiber to cover the top surface of the tracks on which the roller-seat moves back and forth I lessen the weight of the tracks, I produce a noiseless bearing-surface for the rollers to run on and one which will offer the least possible friction, and at the same time furnish a durable, cheap, and easily-made track.

The advantages of my improved construction of roller-seat for boatswill be readily un derstood by those skilled in the art.

Having thus described my invention,what I claim as new, and desire to secure by Letters Patent, is-

1. In a track for roller-seats of boats, the combination,with the track on which the rollers run,of a central guide-rib extending longi tudinally on said track and having projecting tion,with the seat, side bars, and rollers,of the edges,f0r the purpose stated, substantially as tracks covered with a veneer of vulcanized set forth. fiber on which the rollers run, having a cenr 5 2. In a track for roller-seats of beats, the tral guide-rib covered with vulcanized fiber,

5 e0mbination,with a strip of wood covered with the edges of which project beyond the edges a veneer of vulcanized fiber on which the rollof said guide-rib, for the purpose stated, sirbers 1'un,0f a central guide-rib of wood covered stantially as shown and described. with a veneer of vulcanized fiber; the edges of which project beyond-the edges of said guide- I EDWARD KERNS' 1o rib, for the purpose stated, substantially as \Vitnesses:

shown and described. J OHN O. DEWEY,

3. In a roller-seat for beats, the eombina- I CLARENCE M. SOI-I FI LD.

Images