US192461A - Improvement in sled-propellers - Google Patents
Improvement in sled-propellers Download PDFInfo
- Publication number
- US192461A US192461A US192461DA US192461A US 192461 A US192461 A US 192461A US 192461D A US192461D A US 192461DA US 192461 A US192461 A US 192461A
- Authority
- US
- United States
- Prior art keywords
- sled
- propellers
- improvement
- shaver
- handles
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M27/00—Propulsion devices for sledges or the like
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Food-Manufacturing Devices (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
Description
G. F. SHAVER. SLED-PROPELLER Patented June 26,1877.
mvnmm: W
momvs N. PETERS, FHOTO-UTHOG'RAFHER. WASHINGTON. D. C.
UNITED STATES PA QEELOEO GEORGE F. SHAVER, OF MOORHEADVILLE, PENNSYLVANIA.
IMPROVEMENT lN SLED-PROPELLERS.
Specification forming part of Letters Patent No. 192,46 1 dated June 26, 1877'; application filed March 3, 1877.
To all whom it may concern:
Be it known that I, GEORGE -1 SHAVER, of Moorheadville, Erie county, Pennsylvania, have invented an Improvement in Sled-Propellers, of which the following is a specificatiOn:
Figure 1 of the drawing is a; perspective view, and Fig. 2 a plan view, partly in section.
The invention will first be described in connection with the drawing, and then pointed out in the claim.
A A are two bars, connected, by a crossbar, 0, with front of sled, and at the upper end by a cross-bar, D. The ends of the latter are extended to form pivots, on which the propolling-bars B and their rigidly-attached handles B are journaled.
a It will thus be seen that it the handles are worked through the radius of the upper third of the stroke, great speed can be obtained on ice, where there is little resistance, while it the levers are worked at an obtuse angle, or in the radius of the lower'third of the stroke, sufficient power is obtained to travel ona level or uphill, where considerable resistance is to be overcome.
Having described all that is necessary to a full understanding of my invention, what I claim as new is- A sled whose propellers B and their rigidlyattached handles B are journaled on extension-end pivots of the cross-bar D, as and for the purpose specified.
G. F. SHAVER. Witnesses:
E. M. CAMP,
S. S. HAMMOND.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US192461A true US192461A (en) | 1877-06-26 |
Family
ID=2261867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US192461D Expired - Lifetime US192461A (en) | Improvement in sled-propellers |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US192461A (en) |
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0
- US US192461D patent/US192461A/en not_active Expired - Lifetime
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