US1117882A - Bob-sled. - Google Patents

Description

J, W. MILLER.

BOB SLED.

APPLICATION FILED PEB.18, 1914.

v d ATTCHKEY JOHN W. MILLER, OF ALLISON PARK, PENNSYLVANIA.

BOB-SLED.

Specification of Letters Patent.

Patented Nov. 17, 1914.

Application filed February 18, 1914. Serial No. 819,547.

To all whom it may concern:

Be it known that 1, JOHN W. MILLER, a citizen of the United States of America, residing at Allison Park, in the county of Allegheny and State of Pennsylvania, have invented certain new and useful Improvements in Bob-Sleds, of which the following is a specification, reference being had therein to the accompanying drawing.

This invention relates to bob-sleds, preferably of the coastin type, and has for its object to provide a s ed of such class, in a manner as hereinafter set forth, with means for conveniently steering and brakin the sled when occasion so requires.

Turther objects of the invention are to provide a bob-sled which is simple in its construction and arrangement, strong, durable, efficient and convenient in its use, readily set up, and comparatively inexpensive to manufacture.

With the foregoing and other objects in view, the invention consists of the novel construction, combination and arrangement of parts as hereinafter more specifically described and illustrated in the accompanying drawings, wherein is shown an embodiment of the invention, but it is to be understood that changes, variations and modifications can be resorted to which come Within the scope of the claim hereunto appended.

In the drawings wherein like reference characters denote corresponding parts throughout the several views :Figure 1 is a side elevation of a bob-sled in accordance with this invention; Fig. 2 is a top plan; Fig. 3 is a longitudinal section. broken away, illustrating the steering mechanism for the front runner; Fig. 4 is a front elevation of the side; Fig. 5 is a transverse sectional view, broken away, illustratin the braking mechanism; Fig. 6 is a top plan view of a modified form of steering mechanism; and Fig. 7 is a front elevation, broken away, of the modified form of steering mechanism shown in Fig. 6. Fig. 8 is a view of the modification. I,

Referrin to Figs. 1 to 5 of the drawings, 8 denotes t e body portion of a sled, which is preferably oblong in contour, and which has at the rear thereof, side and end rails.

9-10 respectively, which are secured upon the upper face of the body 8. The body 8, near the forward end thereof, is provided with a series of openings 11, through which extend the vertical arms 13 of a circular plate 15, the latter being positioned against the lower face of the body portion 8. The plate 15 has a circular depending offset 16 formed with an annular groove 17, which constitutes the upper race for bearing rollers 18.

Mounted upon the upper face of the body portion 8 and provided with openings for the passage of the arms 13, is a supporting plate 19. Mounted upon the plate 19 are the base members 20, 21 and 22 of supporting brackets 23, 2-1- and 25 respectively. The base members 20, 21 and 22 are mounted upon certain of the arms 13, and extending through the said base members and those arms upon which the base members are mounted are bolts 26. The heads of the bolts 26 abut against the members 20, 21 and 22, and said bolts 26 extend down through the plate 15 and carry on their lower ends nuts 27 for securing the bolts in position whereby the brackets 23 to 25 are connected to the plate 19. Mounted upon the other arms 13 and engagin the plate 19, is a washer 28 through which extends a bolt 29, the latter being provided with a nut 30, and the said bolt 29 in connection with the bolts 26 couple the plates 15 and 19 to the body portion 8.

The brackets 23--25 extend toward each other, while the bracket 2 t extends toward and is connected to the inner ends of the brackets 23-25, and secured between the inner ends of the brackets 23-25 is a bearing 30, and secured to the inner portion of the bracket 24 and disposed at an angle with respect to the bearing 30 is a bearing 31. Journaied in the bearing 30 is the forward end of an inclined steering post 32, the latter bein supported in a bearing sleeve 33 carried by the upper end of a bracket 81, secured to the body portion 8 rearwardly with respect to the plate 19. The post 32 near its lower end has a beveled gear 35 and at its upper end a hand wheel 36. To arrest upward movement of the post 32, the latter is provided with a collar 36 which abuts against the sleeve 33.

The reference character 37 denotes a circular disk having its upper face provided with an annular groove 38 which forms the lower race for the bearing balls 18, and deproximity to the bearing 51 is a beveled gear 45 which meshes vvi tn the beveled gear 35.

From the foregoing construction and arrangement of parts it is obvious that when the post 32 is turned, that the front runner 42- will be shifted to steer the sled in the direction desired.

Secured to the lower face of the body portion 8, in proximity to the rear terminus thereof, is a plate d6, having depending from each end thereof a hanger 47, and connected to each of the hangers 4-7 is a. rear runner *8. The runners 4b are connected to the hangers by headed bolts 49 and nuts 50. The bolts 49 project inwardly from the hangers l7 and have loosely mounted thereon between the nuts 50 and the hangers 47, brake shoes 51, these latter having connected thereto lever arms which are attached to the ends of an inverted yoke-shaped actuating member 53, journaled in bearings 54,

connected to the lower face of tlfe plate 46. The member 53 had depending therefrom an arm 54:, which. is connected to an operating bar55, the latter being attached to the lower end of an operating lever 56. Connected to the lower face of the body portion 8 is a bracket 56 to which is pivotally attached the lever The body portion 8 is formed with an opening 57 through which extends the lever 56, the latter having its upper end provided with a handle 58.,

The braking mechanism as illustrated in Fig. l is shown in an applied position, but by shifting the handle 58 of the lever 56 forwardly, the brake mechanism will be released. The lever 56 is shifted in close proximity to the hand wheel 36 of the steering post 32 so that the lever 56 will be in convenient reach of the operator.

The bolt -10 extends through a sleeve 59 which is carried by the front runner 42, and the bolts 49 extend through sleeves 60 which are carried liy the rear runners 48,

by such an arrangement the runners are pivotally mounted.

In Figs. 6 and 7 is illustrated a steering mechanism used in connection with a pair of front runners and which includes a pair of hangers 61 for the front runners not shown), and each of the hangers 61 is provided with a pair of lugs which extend into one end of a supporting bracket 63. Extending down through the body portion (A of the sled, is a bolt 65 which projects through the end of the bracket 63 and also through the lugs 62, and by such an arrangement the hangers 61 are pivotally connected to the bracket 63. Each of the hangers 61 has a forwardly extending arm 6% at the top thereof, to which is pivotally connected as at (35 a coupling member 66. The members 66 have secured thereto a rod 67 whereby when one member 66 is actuated, the other member will move therewith. One of-the members 66 has a lateral arm 68 to which is pivotally connected as at 69, a coupling member '70, the latter having attached thereto a rod 71,

which is connected as at 72, to a crank arm 73, carried by a shaft 74, which. corresponds to the shaft M and is operated in a manner as illustrated in Figs. 3 and 4.

In lieu of employing the runners 42 and 4-8 as traction elements, the hangers 39 and 47 may have mounted. therein wheels so that the sled can be used in the summer-time to coast with, and in this connection see Fig. 8 of the drawings in which the hanger is indicated at 76 and the wheel at 77. The runners and wheels are detachably connected to the hangers so that they can be removed when occasion so requires.

What I claim is A sled comprising a body portion, a front runner, a vertically disposed shaft carried by the body portion, means operated by said.

shaft and connected to said runner for shift ing it. brackets carried by said body portion, one of said brackets having said shaft journaled therein, a bearing carried by the other of said brackets, an inclined. steering post journaled in said bearing, and a gear connection between said post and said shaft.

In testimony whereof I aflix my signature in the presence of two witnesses.

JOHN W. MILLER. Witnesses MAX H. Snonovrrz, HENRY C. Even'r.

Images