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US1442A - Railroad-chair - Google Patents

Railroad-chair Download PDF

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Publication number
US1442A
US1442A US1442DA US1442A US 1442 A US1442 A US 1442A US 1442D A US1442D A US 1442DA US 1442 A US1442 A US 1442A
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US
United States
Prior art keywords
chair
railroad
britton
evans
pin
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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

    • 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
    • E01B9/66—Rail fastenings allowing the adjustment of the position of the rails, so far as not included in the preceding groups

Definitions

  • a on the plan represents a movable jaw, which slides into the beveled shoulders B and C, and when moved to its place is confined by the pin D.
  • the jaw A After having placed the rail into the part of the chair E, the jaw A, is driven to its place, fastenedy by the pin D, firmly grasping the rail, and securing it in its proper position without the assistance of any wedge.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Emergency Lowering Means (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)
  • Machines For Laying And Maintaining Railways (AREA)

Description

UNITED 'STATES PATENT OFFICE.
BRITTON M. EVANS, OF DOWNINGTOWN, PENNSYLVANIA.
RAILROAD-CHAIR.
Specification of Letters Patent No.
To all whom it may concern.'
Be it known that I, BRiTToN of Downingtown, in the county of Chester and State of Pennsylvania, have invented a new and Improved Railroad-Chair to Dispense With the Use of Wedges; and I do hereby declare that the following is a full and eXact description.
The nature of my invention is intended to obviate the necessity of wedging the wagon rail, and is expected by the invention to supersede the chair now in use.
To enable others skilled in the art of casting and laying railroads to make and use my invention, I will proceed to describe itsV M. EVANS,
1,442, dated December 27, 1889*.
A on the plan represents a movable jaw, which slides into the beveled shoulders B and C, and when moved to its place is confined by the pin D. After having placed the rail into the part of the chair E, the jaw A, is driven to its place, fastenedy by the pin D, firmly grasping the rail, and securing it in its proper position without the assistance of any wedge.
I would have it understood that I am aware that railroad chairs have been made with a movable jaw, and secured by means of wedges. I do not therefore claim that as my invention; but
What I doV claim as my invention, and desire to secure by Lette-rs Patent, is
Making the movable jaw with a dovetail, and to t into a corresponding slide in the chair, and secured by a pin, as above de-V scribed.
BRITTON M. EVANS.
Witnesses SAML. DALE, W. K. HUFFNAGLE.
US1442D Railroad-chair Expired - Lifetime US1442A (en)

Publications (1)

Publication Number Publication Date
US1442A true US1442A (en) 1839-12-27

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ID=2061728

Family Applications (1)

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US1442D Expired - Lifetime US1442A (en) Railroad-chair

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