US310998A - Tricycle - Google Patents

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US310998A US310998DA US310998A US 310998 A US310998 A US 310998A US 310998D A US310998D A US 310998DA US 310998 A US310998 A US 310998A
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    • B62K3/00Bicycles
    • B62K3/12Tandems


(No Model.)
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SPECIFICATION forming part of Letters Patent No. 310,998, dated January 20, 1885.
Application filed October 24, HB4. (No model.)
1'0 aZZ whom, t r11/ay conce/7e:
Beit known that I, CARL G. E. HENNIG, of Paterson, in the county of Passaic and State of New Jersey, have invented a new and useful Improvement in Tricycles, of which the following is a full, clear, and exact description.
This invention pertains to improvements in tricycles; and it consists of the combinations of parts and their construction, substantially as hereinafter fully set forth and claimed.
Reference is to be had to the accompanying drawings,forming a part of this specification, in which similar letters of reference indicate corresponding parts in all the figures.
Figure 1 is a sectional side elevation of my invention,taken on 4the line m x, Fig. 2. Fig. 2 is a sectional plan view taken on the line g/ y of Fig. 1, the seats being shown in dotted lines. Fig. 3 is a detailed sectional view of a part of one of the drive-wheels, showing its ratchet-connection to the axle, and Figs. 4 and 5 show the preferred form of treadles used.
The main frame A may be of any desired construction. In this instance it is composed of the side bars, a a, cross -piec-e b, curved brace c, upwardly-curved front cross-piece,d, and upwardly-curved front and back seat-supports,e e,upon which the front and back seats, B B, are supported, as shown clearly in Fig. 1.
C is a rock-shaft journaled in the arms ff, that depend from the side bars, a a. This shaft, C in this instance, is arranged immo diately under the front seats, B, and on it is placed loosely the tube D, that is confined from endwise movement by the treadles E F,iixed upon the shaft G. The treadle F is centrally secured upon the shaft C, and constitutes a double treadle, one portion standing in front of the other in the rear of the shaft- C. The treadle E is also centrally secured upon the shaft C, to constitute a double treadle, and it is provided With the upwardly-projecting arm g, which is connected bythe connecting-rod G to the cranks H of the double-crank axle H, vWhich latter supports the rea-r end of the frame A, and has the drive wheels I I journaled upon its ends. The tube D .has the treadles J K secured toits opposite ends. The treadle J, like the treadle F, is a plain double treadle, while the treadle K is,like the treadle E, formed with an upwardly-projecting arm, h, which is connected by 'the connecting-rod connected to the shaft C and the other to the tube D, and the treadles K and F also constitute two pairs 'of treadles connected, respectively to the tubeD and shaft C, and these double sets of treadles are arranged to correspond with front and back seats,B B', so that persons riding in the seats may apply'their feet to the opposite ends of the pairs oftreadles and work them alternately up and down,which will rotarily reciprocate the shaft C and tube E (the latter turning upon the shaft C) and alternately rock or reciprocate the arms gh, which, through rods G L and cranks H Hz, will cause the axle H and wheels I to revolve, and thus propel the'tricycle. The doublecrank axle H is formed or provided near each end with a ratchet-wheel, i, and the hub j 0i' each wheel I is provided with a spring-pawl, k, which reaches through au opening, Z, in the hub j and engages with the teeth of its respective ratchet-wheel t', so that the wheels I are held to the shaft H only by the pawls k when the tricycle is propelled forward, the wheels being free to turn forward independentl y of the axle. In this manner the wheels I and the axle are relieved of all lateral strain in turning the tricycle, since the ratchets will permit the axle to turn in the wheel having the greater distance to cover. The guide-wheel M is journaled between the braces mm, secured to the circular plate N, which constitutes the fifth wheel. The fifth-wheel or plate N is formed with the hub it, which is journaled in an opening made in the central enlarged portion, o, of the upwardlycurved front Acrosspiece d, and to the upper end of the hub a is secured the horizontal lever O, by which the wheel M vmay be turned for guiding the tricycle. The enlarged portion o of the front cross-piece, d, is of about the same size as the fifth wheel or plate N, and the cross -piece d is braced from the cent-ral portion, o, to the curved brace c by the brace p, so that the cross# piece d is held very rm, and, owing to the enlarged portion o, plate N, and brace, m, holds the wheel M in a very firm and secure manner, so that the front portion of the tricycle may be made comparatively light and still possess sufficient strength and rigidity for all ordinary uses of the iricyle. A brake, Q, is provided, which may be operated by the lever R for bringing the shoes t t thereof against the Wheels Lfor controlling the speed of the tricyle in going downgrade.
Having thus described 1ny invention, I claim as new and desire to secure by Letters Patentl. The Combination, with four pairs of treadles, of two rocking arms, g 71, connected to the cranks of the axle by rods G L, two pairs of said treadles being connected to said axle, and the two other pairs of said treadles being connected to atube, D, arranged upon said axle, substantially as described.
2. The shaft C, having cranks secured thercto, in combination with a tube placed upon the shaft and provided with cranks, the shaft and tube being connected with the crank-axle by rocking arms and connecting-rods, substantially as described.
3. The shaft C, provided with the double treadles E Rin combination with the tube D, provided with the double treadle J K, and the treadles E K, having the rocker-arms g L connected to the axle H, substantially asV described.
4. The cross-piece d of the frame of the tricycle, enlarged at o,and braced by the rodp,in combination with the circular plate N,fornied with hub n, and provided with the braces m, between which the guide-wheel M is held, substantially as described.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5442972A (en) * 1993-07-07 1995-08-22 Hoover; Irvin Variable ratio bicycle drive mechanism

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5442972A (en) * 1993-07-07 1995-08-22 Hoover; Irvin Variable ratio bicycle drive mechanism

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