US120753A - Johk liddeed - Google Patents
Johk liddeed Download PDFInfo
- Publication number
- US120753A US120753A US120753DA US120753A US 120753 A US120753 A US 120753A US 120753D A US120753D A US 120753DA US 120753 A US120753 A US 120753A
- Authority
- US
- United States
- Prior art keywords
- rail
- chair
- liddeed
- johk
- jaw
- 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
- 210000001847 Jaw Anatomy 0.000 description 26
- 239000002184 metal Substances 0.000 description 18
- 229910052751 metal Inorganic materials 0.000 description 18
- 238000010276 construction Methods 0.000 description 8
- 150000002739 metals Chemical class 0.000 description 8
- 241001669679 Eleotris Species 0.000 description 4
- 210000000282 Nails Anatomy 0.000 description 4
- 230000000875 corresponding Effects 0.000 description 4
- 230000037250 Clearance Effects 0.000 description 2
- 230000035512 clearance Effects 0.000 description 2
- 230000001808 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007373 indentation Methods 0.000 description 2
- 230000004301 light adaptation Effects 0.000 description 2
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B9/00—Fastening rails on sleepers, or the like
- E01B9/60—Rail fastenings making use of clamps or braces supporting the side of the rail
Definitions
- My invention is designed for the purpose of so constructing a railway chair that it can be readily adapted to the metals it is designed to support and gripe, and also, by its peculiar construction, enabling it firmly to maintain its hold upon the rails or metals without the use of wooden wedges, as ordinarily employed.
- the improvements consist in constructing the jaws composing the chair in, two parts and joining. them together underneath the rails or metals, the peculiar coupling together of the two jaws or parts of the chair being the feature of the invention.
- the arran gement of the chair according to my improved construction is made in two parts, each of which contains one jaw.
- the portion of the chair containing the outer jaw is provided with a baseplate that projects underneath the rail or metal a distance that enables it to support the inner jaw.
- the said inner jaw for this purpose is constructed with a dovetail-formed base, that will admit of its sliding within a dovetailed groove formed in the upper surface of the projecting base-plate of the outer jaw.
- This said inner jaw when fully forced up in its groove against the rail, is firmly secured there by means of a metal key or wedge that is forced up and through a wedge-formed hole in part of the base of the chair, corresponding to the position the sliding jaw thereof will assume when the face of the same is in contact with the rail, sufficient clearance orback-lash being provided in the said hole that will admit of the jaws being firmly brought together into contact with the rail as the wedged key is driven home, the whole being firmly secured by progs or nails to the sleeper.
- Figure 1 represents a front elevation of the improved chair, and Fig. 2 represents a side elevation thereof.
- a a is the metal or rail.
- I) is the outer jaw, provided with a projecting base plate in which there is constructed a dovetailed sliding groove, 0.
- This groove is provided for the purpose of receiving the dovetail-shaped base of the inner jaw d, which, when forced up into its position in such groove against the rail or metal, is secured in the same by means of the wedge or collar 6, the whole in this position being secured to the sleeper f by the usual progs or nails.
- the bearing of the rail upon the upper portion of the jaws prevents indentation to the lower surface thereof, allowing, by this arrangement, the rail or metal to be reversed.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Special Chairs (AREA)
Description
Patented Nov- 7,1871.
' V JOHN LIDDERD. Improvement in Railway Chairs. 120,753. I
UNITED STATE JOHN LIDDERD, OF MANCHESTER, GREAT BRITAIN.
IMPROVEMENT IN RAILWAY CHAIRS.
Specification forming part of Letters Patent No. 120,753, dated November 7, 1871.
Be it known that I, JOHN LIDDERD, of Manchester, in the county of Lancaster, Kingdom of Great Britain and Ireland, have invented certain Improvements in the Construction of Railway Chairs, of which the following is a specification:
My invention is designed for the purpose of so constructing a railway chair that it can be readily adapted to the metals it is designed to support and gripe, and also, by its peculiar construction, enabling it firmly to maintain its hold upon the rails or metals without the use of wooden wedges, as ordinarily employed. The improvements consist in constructing the jaws composing the chair in, two parts and joining. them together underneath the rails or metals, the peculiar coupling together of the two jaws or parts of the chair being the feature of the invention.
I will proceed to describe the same. The arran gement of the chair according to my improved construction is made in two parts, each of which contains one jaw. The portion of the chair containing the outer jaw is provided with a baseplate that projects underneath the rail or metal a distance that enables it to support the inner jaw. The said inner jaw for this purpose is constructed with a dovetail-formed base, that will admit of its sliding within a dovetailed groove formed in the upper surface of the projecting base-plate of the outer jaw. This said inner jaw, when fully forced up in its groove against the rail, is firmly secured there by means of a metal key or wedge that is forced up and through a wedge-formed hole in part of the base of the chair, corresponding to the position the sliding jaw thereof will assume when the face of the same is in contact with the rail, sufficient clearance orback-lash being provided in the said hole that will admit of the jaws being firmly brought together into contact with the rail as the wedged key is driven home, the whole being firmly secured by progs or nails to the sleeper.
In order that the invention may be better understood and explained in detail, I have hereunto attached a drawing, similar letters of reference being marked upon corresponding parts on all the figures alike.
Figure 1 represents a front elevation of the improved chair, and Fig. 2 represents a side elevation thereof.
In these figures, a a is the metal or rail. I) is the outer jaw, provided with a projecting base plate in which there is constructed a dovetailed sliding groove, 0. This groove is provided for the purpose of receiving the dovetail-shaped base of the inner jaw d, which, when forced up into its position in such groove against the rail or metal, is secured in the same by means of the wedge or collar 6, the whole in this position being secured to the sleeper f by the usual progs or nails. The bearing of the rail upon the upper portion of the jaws, as shown in the drawing, prevents indentation to the lower surface thereof, allowing, by this arrangement, the rail or metal to be reversed.
Having now described the nature of my said invention, together with the method of carrying the same into practical effect, I would wish it to be distinctly understood, in conclusion, that I claim The novel and peculiar construction and arrangement of railway chair shown and described, together with its peculiar adaptation to railway metals or rails for steadying and supporting the same, substantially in the manner hereinbefore described, set forth, and fully illustrated in the drawing attached.
In testimony whereof I have hereunto set my hand in the presence of two subscribing witnesses this 14th day of June, A. D. 1871.
JOHN LIDDERD.
Witnesses:
THOMAS WRIGLEY,
WM. 110mm. (120)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US120753A true US120753A (en) | 1871-11-07 |
Family
ID=2190197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US120753D Expired - Lifetime US120753A (en) | Johk liddeed |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US120753A (en) |
-
0
- US US120753D patent/US120753A/en not_active Expired - Lifetime
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