US688525A - Bicycle driving-gear. - Google Patents

Bicycle driving-gear. Download PDF

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Publication number
US688525A
US688525A US62897897A US1897628978A US688525A US 688525 A US688525 A US 688525A US 62897897 A US62897897 A US 62897897A US 1897628978 A US1897628978 A US 1897628978A US 688525 A US688525 A US 688525A
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gear
bicycle driving
driving
bicycle
hand
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US62897897A
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August Johnson
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/02—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs propelled by the patient or disabled person
    • A61G5/021—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs propelled by the patient or disabled person having particular propulsion mechanisms
    • A61G5/023—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs propelled by the patient or disabled person having particular propulsion mechanisms acting directly on hubs or axis

Definitions

  • Figure 1 is a side elevation of a bicycle, showing the improvements applied thereto.
  • Fig. 2 is a detail perspective View of a portion of the machine-frame, showing the driving mechanism, chain-gear, &c.
  • a bearing-bracket 1 having a rearwardly-inclined brace 1 and shaft-boxing 1 is secured to the upper horizontal bar or top run 2 of the machine-frame contiguous or adjacent to the steering-post 13 and head-tube 11, and in this bracket is mounted a short transverse horizontal shaft 3, having at one end a single elongated hand-crank 4,adapted to extend and operate beyond the steering-post 13 and the head-tube 11, by means of which it may be rotated,and also provided with a sprocket-w heel 5, from which a drive-chain 6 extends downward and rearward, where it passes around a sprocket-pinion 7 on the hub of the driving-wheel 8.
  • brace jlO extendi'ng preferably, parallel to the head-tube 11 for preventing the swaying of the top run 2 adjacent to the opening where the shaft 3 is located.
  • a single handle-bar extends from the steering-post 13 alongside the driving sprocket-wheel 5 above the latter, so as to pass thereover and only on one side of the machine, preferably the left-hand side, where it may be grasped by the left hand of the rider, who may employ his right hand for rotating the crank-handle 4, and thereby imparting motion to the sprocket-wheel 5, chain 6, and driving-wheel 8.
  • the machine above described while it may be ridden by any one, is especially adapted for invalids or persons not having the complete use of their lower limbs.
  • the mechanism above described enables the rider to steer the machine with one hand and propel the same with the other hand.
  • a riding-wheel comprising a frame constructed with an upper bar, a reach, and a head-tube, a steering-post mounted in the.

Description

.No. 688,525. Patented Dec. l0, 190i.-
/ A. ammson.
BICYCLE DRIVING GEAR.
(Application filed Mar. 24. 1897) (No Model.)
WITNESSES INVENTOR M F a Z W A tlar/zey' UNITED STATES PATENT OFFICE; I
AUGUST JOHNSON, OF STAPLES, MINNESOTA.
BICYCLE DRIVING-G EAR.
SPECIFICATION forming part of Letters Patent No. 688,525, dated December 10, 1901.
Application filed March 24, 1897. Serial No. 628,978. .(No model.)
T 0 all whom it may concern:
Be it known that 1, AUGUST J OHNSON', of Staples,in the county of Todd and State of Minnesota, have invented certain newand useful 5 Improvements in Bicycle Driving-Gears; and I do hereby declare the following to be afull, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same. This invention relates to bicycle drivingillustrated in the drawings, and incorporated in the claim hereto appended.
In the accompanying drawings, Figure 1 is a side elevation of a bicycle, showing the improvements applied thereto. Fig. 2 is a detail perspective View of a portion of the machine-frame, showing the driving mechanism, chain-gear, &c.
Similar numerals of reference designate corresponding parts in both figures of the drawings.
Referring to the drawings, it will be seen to an ordinary safety-bicycle.
In carrying out the present invention a bearing-bracket 1, having a rearwardly-inclined brace 1 and shaft-boxing 1 is secured to the upper horizontal bar or top run 2 of the machine-frame contiguous or adjacent to the steering-post 13 and head-tube 11, and in this bracket is mounted a short transverse horizontal shaft 3, having at one end a single elongated hand-crank 4,adapted to extend and operate beyond the steering-post 13 and the head-tube 11, by means of which it may be rotated,and also provided with a sprocket-w heel 5, from which a drive-chain 6 extends downward and rearward, where it passes around a sprocket-pinion 7 on the hub of the driving-wheel 8.
that the improvements are shown as applied Ihterposed between the reach-bar 9 and the top'run 2 beneath the bearing-bracket is a brace jlO extendi'ng, preferably, parallel to the head-tube 11 for preventing the swaying of the top run 2 adjacent to the opening where the shaft 3 is located.
A single handle-bar (indicated at 13) extends from the steering-post 13 alongside the driving sprocket-wheel 5 above the latter, so as to pass thereover and only on one side of the machine, preferably the left-hand side, where it may be grasped by the left hand of the rider, who may employ his right hand for rotating the crank-handle 4, and thereby imparting motion to the sprocket-wheel 5, chain 6, and driving-wheel 8.
The machine above described, while it may be ridden by any one, is especially adapted for invalids or persons not having the complete use of their lower limbs. The mechanism above described enables the rider to steer the machine with one hand and propel the same with the other hand.
If desired, the relative positions of the handle-bar and hand-crank may be reversed without departing from the principle of the invention.
Having thus described the invention, what is claimed as new, and desired to be secured by Letters Patent, is-
A riding-wheel comprising a frame constructed with an upper bar, a reach, and a head-tube, a steering-post mounted in the.
AUGUST J OHNSON.
Witnesses:
JAMES NELSON, A. ANDERBERG.
US62897897A 1897-03-24 1897-03-24 Bicycle driving-gear. Expired - Lifetime US688525A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US62897897A US688525A (en) 1897-03-24 1897-03-24 Bicycle driving-gear.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US62897897A US688525A (en) 1897-03-24 1897-03-24 Bicycle driving-gear.

Publications (1)

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US688525A true US688525A (en) 1901-12-10

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US62897897A Expired - Lifetime US688525A (en) 1897-03-24 1897-03-24 Bicycle driving-gear.

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