US41714A - Improvement in self-acting sled-brakes - Google Patents
Improvement in self-acting sled-brakes Download PDFInfo
- Publication number
- US41714A US41714A US41714DA US41714A US 41714 A US41714 A US 41714A US 41714D A US41714D A US 41714DA US 41714 A US41714 A US 41714A
- Authority
- US
- United States
- Prior art keywords
- sled
- frame
- acting
- self
- brakes
- 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
Links
- 241000282472 Canis lupus familiaris Species 0.000 description 14
- 210000003127 Knee Anatomy 0.000 description 4
- 230000000875 corresponding Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000036633 rest Effects 0.000 description 2
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B5/00—Accessories or details specially adapted for hand carts
- B62B5/04—Braking mechanisms; Locking devices against movement
- B62B5/0404—Braking mechanisms; Locking devices against movement automatic
Definitions
- the object of this invention is to obtain a simple brake for sleds, which will be selfacting and capable of being rendered inoperative, when desired, by a very simple manip ulation.
- the invention cqnsists in the employment or use of a sliding frame placed on the cross-bars which connect the upper ends of the knees, and having spurs or dogs connected to the sliding frame, and the latter connected to the draft-pole, all being arranged in such a manner that the spurs or dogs will be forced down into the snow-path by the momentum or forward movement of the sled when the team is checked, and raised upward when the draft-pole is drawn forward again under the pull of the team.
- A represents the runners, B the knees, and U the crossbars, of a sled, all constructed in the usual way.
- D D are two side strips, attached one at each end of the cross-bars O; and E is a sliding-frame formed of two parallel bars, a a, connected by cross-pieces b. This frame rests on the cross-bars O, and is allowed to slide freely on them, the strips D serving as guides for the frame.
- the length of the movement of the frame E is limited by notches 0, cut in the under sides of the bars a a, the cross-bars C fitting in said notches, as shown in Fig. 1.
- H H are two spurs or dogs, which are of I driven in a cross-bar,'e7, which is secured to the front ends of the side strips, D D.
Description
UNITED STATES PATENT OFFICE.
CALVIN E. MYERS, OF BRISTOL, VERMONT.
IMPROVEMENT IN SELF-ACTING SLED-BRAKES.
Specification forming part of Letters Patent No. 4!,714, dated February 23, 1864.
To all whom it may concern:
Be it known that I, CALVIN E. MvERs, of Bristol, in the county of Addison and State of Vermont, have invented a new and Improved Self-Acting Brake for Sleds; and I do hereby declare that the following is a full, clear, and exact description of the same, reference being had to the accompanying drawings, making a part of this specification, in Which- Figure l is a side sectional view of my invention, taken in the line a: m, Fig. 2. Fig. 2 is a plan or top view of the same.
Similar letters of reference indicate corresponding parts in the two figures.
The object of this invention is to obtain a simple brake for sleds, which will be selfacting and capable of being rendered inoperative, when desired, by a very simple manip ulation.
To this end the invention cqnsists in the employment or use of a sliding frame placed on the cross-bars which connect the upper ends of the knees, and having spurs or dogs connected to the sliding frame, and the latter connected to the draft-pole, all being arranged in such a manner that the spurs or dogs will be forced down into the snow-path by the momentum or forward movement of the sled when the team is checked, and raised upward when the draft-pole is drawn forward again under the pull of the team.
To enable those skilled in the art to fully understand and construct my invention, I will proceed to describe it.
A represents the runners, B the knees, and U the crossbars, of a sled, all constructed in the usual way.
D D are two side strips, attached one at each end of the cross-bars O; and E is a sliding-frame formed of two parallel bars, a a, connected by cross-pieces b. This frame rests on the cross-bars O, and is allowed to slide freely on them, the strips D serving as guides for the frame. The length of the movement of the frame E is limited by notches 0, cut in the under sides of the bars a a, the cross-bars C fitting in said notches, as shown in Fig. 1.
F is the draft-pole, the inner end of Willth is attached to a bar, G, having journals d at its ends, which are fitted in bearings c at the front ends of the bar a of the frame E, as shown clearly in Fig. 2.
H H are two spurs or dogs, which are of I driven in a cross-bar,'e7, which is secured to the front ends of the side strips, D D.
The operation is as follows: When the hook I is released from the staple h, the frame E is left free to move, and said frame, under the pull of the'team, willbe kept in a forward position as the sled is drawn along, the back edges of the notches a bearing against the cross-bars (l, as shown in Fig. 1. When the sled descends aneminence, the frame E will be checked by the team as the latter is held in under the pull of the driver, and the tendency of the forward movement of the sled, which is due to its gravity and momentum, will cause the lower ends of the spurs or dogs to be forced down into the snow-path, thereby forming an efficient brake. When the sled is again subjected to the pull of the team, the frame E is drawn forward to its fullest extent, and the lower ends of the spurs or dogs are raised free from the snowpath.
In order to render the device inoperative at any time, all that is required is simply to adjust the hook I in the staple h, which prevents the frame E, and consequently the spurs and dogs, from moving.
Having thus described my invention, what I claim as new, and desire to secure by Letters Patent, is-
1. The combination of the sliding frame E,
draft-pole F, and dogs H H, all constructed, arranged, and operating in the manner and for the purpose set forth.
2. In combination with the above, the hook I and eye h, for preventing the movement of the frame E, as explained.
Witnesses: CALVIN E. MYERS.
ELIAS BOTTUM, THOS. S. DRAKE.
Publications (1)
Publication Number | Publication Date |
---|---|
US41714A true US41714A (en) | 1864-02-23 |
Family
ID=2111282
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US41714D Expired - Lifetime US41714A (en) | Improvement in self-acting sled-brakes |
Country Status (1)
Country | Link |
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US (1) | US41714A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE854217C (en) * | 1950-07-21 | 1952-10-30 | Richard Dipl-Ing Schiel | Steam turbine power plant |
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0
- US US41714D patent/US41714A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE854217C (en) * | 1950-07-21 | 1952-10-30 | Richard Dipl-Ing Schiel | Steam turbine power plant |
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