US768591A - Switch-rod mechanism. - Google Patents

Switch-rod mechanism. Download PDF

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Publication number
US768591A
US768591A US19264404A US1904192644A US768591A US 768591 A US768591 A US 768591A US 19264404 A US19264404 A US 19264404A US 1904192644 A US1904192644 A US 1904192644A US 768591 A US768591 A US 768591A
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Prior art keywords
switch
bolt
bracket
corrugated
rod
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US19264404A
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Henry G Elfborg
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61LGUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L5/00Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
    • B61L5/02Mechanical devices for operating points or scotch-blocks, e.g. local manual control
    • B61L5/026Mechanical devices for operating points or scotch-blocks, e.g. local manual control fixing switch-rails to the driving means

Definitions

  • PATENT OFFIC HENRY G ELFBORG, OF CHICAGO, ILLINOIS.
  • My invention relates to that class of switchrod mechanisms having a bracket secured to i one of the switch-rails to be operated and a switch-rod secured to the other switch-rail, such members being adjustable with relation to each other and provided with a bolt or pin by means of which they, and thereby the switch-rails, may be adjusted and held in the rate the parts making such adjustments.
  • Figure 1 is a sectional elevation of a switch-rod mechanism constructed in accordance with my 1mv provements; Fig. 2, aplan View thereof; Fig.
  • FIG. 3 a view in elevation of a modification of the device, showing the switch-rod without jaws and a bracket provided with jaws between which such rod is mounted;
  • Fig. 4 a plan View of the parts-shown in Fig. 3;
  • Fig. 5, a view in elevation of the adjusting pin or bolt, and
  • Fig. 6 a bottom plan view of the adjusting pin or bolt shown in Fig. 5.
  • switch-rail being one of a pair mounted in operative'position adjacent to the main rails ein the ordinary manner.
  • One end of this bracket is provided with a perforationf', having corrugated walls for receiving and engaging an adjusting pin or bolt, hereinafter described.
  • a switch-rod g is secured to the opposite switchrail in any ordinary and well-known manner and is provided with an upper jaw portion h, secured thereto by means of rivets z' or in any desired manner familiar to those skilled in the art.
  • the rod extends beneath such upper jaw and outward transversely beyond the switch-rail and forms what may be termed a lower jaw j, which is provided with a perforation in alinement with the axial center of a similar and larger cylindrical perforation Zin the upper jaw.
  • the perforated end of the bracket (0 extends between these jaws in sliding engagement therewith, and the bracket and switch-rod are thus adjustable with relation to each other.
  • the bolt is provided with an integral central eccentric portion 2, having corrugations 9 adapted to'engage the simi' larly-corrugated perforation in the bracket, so as to prevent the pin or bolt from turning and firmly hold the parts in position when once ad- .90 justed.
  • the upper end of the bolt is provided with an annular head portion 4", which engages i the upper jaw of the switch-rod, and the lower end of such bolt is provided with a nut s in threaded engagement therewith and with a cotter t for holding such nut in position thereon.
  • the lower depending circular portion of' the bolt is longer than the eccentric thereof.
  • Figs. 3 and 4 show a modification of the device in which the bracket is provided with jaws 14 and 1), between which the switch-rod is slidably mounted, such jaws being provided with perforations for receiving the circular upper and lower portions n and 0 of the bolt and the switchrod being provided with a corrugated perforation for receiving the corrugated eccentric portionp of such bolt.
  • lower circular portions and the central corrugated eccentric portion of the bolt being integral, such bolt may of course be raised entirely out of engagement with the bracket and switch-rod when desired and replaced after such parts have been adjusted to the desired position.
  • the adjusting nut or bolt is adapted to hold the bracket and switchrod, and thereby the switch-rails, in any desired position with relation to each other within certain limits.
  • this may be accomplished by placing the bolt in the position shown in Fig. 1.
  • IV hen it is desirable to bring the rails into position nearest to each other, it may be done by turning the bolt a. half-revolution from the position shown in Fig. 1 and adjusting the parts to correspond. It follows as a matter of course that such rails may be adjusted to any intermediate position between these two extremes by turning the bolt a corresponding distance in either direction between these two extreme positions.
  • I claim- 1 In an apparatus of the class described,the combination of a bracket and a switch-rod one of such members having a perforation with corrugated walls, and a bolt extending through such bracket and switch-rod and provided with a neck portion in engagement with one of such members and having an eccentric portion in engagement with the other of such members one of such portions of the bolt having a corrugated periphery in engagement with the member having the corrugated perforation, substantially as described.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Switch Cases, Indication, And Locking (AREA)

Description

N0 MODEL.
V v PATENTED AUG. 30, 1904. H. G. ELPBORG.
SWITCH ROD MECHANISM.
APPLIOATION FILED FEB. 8,1904.
2 SHEETS-SHEET 1.
No."768,591. Y P'ATENTED AUG. 30, 1904.
. H. we; ELPBORG. 4
SWITCH ROD MECHANISM.
PPPPPPPPPPPPPPPPP BB. 8 1904.
NO MODEL. 2 SHEETS 2.
lllllll a -M H1 v m...
Patented August 30, 1904.
PATENT OFFIC HENRY G. ELFBORG, OF CHICAGO, ILLINOIS.
'SWlTCH-ROD MECHANISM.
SPECIFICATION forming part of Letters Patent No. 7.68,591,. dated August 30, 1904.
' Application filed February 8, 1904. Serial No. 192,644. (No model.) i i T0 at whom it may concern:
Be it knownthat I, HENRY G. ELFBORG, a citizen of the United States, residing at Ohicago, in the county of Cook and State of Illinois, have invented certain new and useful Improvements in Switch- Rod Mechanisms, of which the following is a specification.
My invention relates to that class of switchrod mechanisms having a bracket secured to i one of the switch-rails to be operated and a switch-rod secured to the other switch-rail, such members being adjustable with relation to each other and provided with a bolt or pin by means of which they, and thereby the switch-rails, may be adjusted and held in the rate the parts making such adjustments.
Other and further objects of the invention will appear from an examination of the drawings and the following description and claims.
The invention consists in the features, combinations, and details of construction hereinafter described and claimed.
In the'accompanying drawings, Figure 1 is a sectional elevation of a switch-rod mechanism constructed in accordance with my 1mv provements; Fig. 2, aplan View thereof; Fig.
3, a view in elevation of a modification of the device, showing the switch-rod without jaws and a bracket provided with jaws between which such rod is mounted; Fig. 4, a plan View of the parts-shown in Fig. 3; Fig. 5, a view in elevation of the adjusting pin or bolt, and Fig. 6 a bottom plan view of the adjusting pin or bolt shown in Fig. 5.
In constructing a switch-rod mechanism in accordance with my improvements I provide a bracket (0, which is secured to one of the switch-rails b by meansof a bolt 0 and nut d y or in any ordinaryand well-known manner,
- such switch-rail being one of a pair mounted in operative'position adjacent to the main rails ein the ordinary manner. One end of this bracket is provided with a perforationf', having corrugated walls for receiving and engaging an adjusting pin or bolt, hereinafter described. A switch-rod g is secured to the opposite switchrail in any ordinary and well-known manner and is provided with an upper jaw portion h, secured thereto by means of rivets z' or in any desired manner familiar to those skilled in the art. The rod extends beneath such upper jaw and outward transversely beyond the switch-rail and forms what may be termed a lower jaw j, which is provided with a perforation in alinement with the axial center of a similar and larger cylindrical perforation Zin the upper jaw. The perforated end of the bracket (0 extends between these jaws in sliding engagement therewith, and the bracket and switch-rod are thus adjustable with relation to each other.
In order to provide simple and eflicient means for adjusting the bracket and switchrod,and thereby the switch-rails, with relation to each other and for firmly holding such members in operative position without removing or separating the jaws in making the necessary adjustments, I provide a pin or bolt m, having an upper circular neck portion a, fitting rotatably into the perforation in the upper jaw of the switch-rod, and, having a lower depending circular portion 0 in alinement with the axial center of such upper circular portion. The bolt is provided with an integral central eccentric portion 2, having corrugations 9 adapted to'engage the simi' larly-corrugated perforation in the bracket, so as to prevent the pin or bolt from turning and firmly hold the parts in position when once ad- .90 justed. The upper end of the bolt is provided with an annular head portion 4", which engages i the upper jaw of the switch-rod, and the lower end of such bolt is provided with a nut s in threaded engagement therewith and with a cotter t for holding such nut in position thereon. The lower depending circular portion of' the bolt is longer than the eccentric thereof. In other words, its length exceeds the thickness of the engaging corrugated portion of the bracket, and it will thus be seen that the eccentric portion may be raised out of engagement with the corrugated perforation in the bracket without removing the lower depending portion of the bolt or pin from engagement with the switch-rod. The switch -rod and bracket, and thereby the switch-rails, may thus be moved back and forth with relation to each other while the adjusting pin or bolt is in its raised position and in engagement with the switchrod, and when the parts are adjusted to the desired position the pin may be lowered, so that the corrugations of its eccentric portion engage the corrugations in the bracket, as shown in Fig. 1, and thus hold the parts securely in position.
Figs. 3 and 4: show a modification of the device in which the bracket is provided with jaws 14 and 1), between which the switch-rod is slidably mounted, such jaws being provided with perforations for receiving the circular upper and lower portions n and 0 of the bolt and the switchrod being provided with a corrugated perforation for receiving the corrugated eccentric portionp of such bolt. lower circular portions and the central corrugated eccentric portion of the bolt being integral, such bolt may of course be raised entirely out of engagement with the bracket and switch-rod when desired and replaced after such parts have been adjusted to the desired position.
By this arrangement it will be readily seen that the adjusting nut or bolt is adapted to hold the bracket and switchrod, and thereby the switch-rails, in any desired position with relation to each other within certain limits. When it is desirable to hold the rails at the greatest distance apart, this may be accomplished by placing the bolt in the position shown in Fig. 1. IV hen it is desirable to bring the rails into position nearest to each other, it may be done by turning the bolt a. half-revolution from the position shown in Fig. 1 and adjusting the parts to correspond. It follows as a matter of course that such rails may be adjusted to any intermediate position between these two extremes by turning the bolt a corresponding distance in either direction between these two extreme positions.
I claim- 1. In an apparatus of the class described,the combination of a bracket and a switch-rod one of such members having a perforation with corrugated walls, and a bolt extending through such bracket and switch-rod and provided with a neck portion in engagement with one of such members and having an eccentric portion in engagement with the other of such members one of such portions of the bolt having a corrugated periphery in engagement with the member having the corrugated perforation, substantially as described.
2. In an apparatus of the class described, the combination of a bracket secured to a switchl rail, a switch-rod adapted to be secured to the The upper and other switch-rail one of such members having a corrugated perforation, and a bolt extending through such bracket and switch-rod and provided with concentric and eccentric portions one of which is corrugated and in engagement with the member having the corrugated perforation, substantially as described.
In an apparatus of the class described, the combination of a bracket secured to a switchrail, a switch-rod adapted to be secured to the other switch-rail, and a bolt mounted in such bracket and extending through such switchrod provided with a corrugated eccentric portion in engagement with one of such members, substantially as described.
at. In an apparatus of the class described,the combination of a bracket adapted to be secured to a switch-rail, a switch-rod adapted to be secured to another switchrail one of such members being provided with a perforation therethrough having corrugated walls, and a bolt mounted in such bracket and extending through such switch-rod provided with a corrugated eccentric portion in engagement with one of such members and having a circular portion in engagement with the other of such members, substantially as described.
5. In an apparatus ofthe class described,the combination of a bracket secured to a switchrail, a switchrod adapted to be secured to the other switch-rail one of such members being provided with a corrugated perforation, and a bolt mounted in such bracket provided with a circular neck portion and a concentric depending portion both in engagement with one of such members and hzwing a corrugated eccentric central portion in engagement with the member having the corrugated perforation, substantially as described.
6. In an a iiparatus of the class described, the combination of a bracket secured to a switchrail, a switchrod adapted to be secured to the other switch-rail one of suchmembershaving a perforation with corrugated walls, a bolt extending through such bracket and switch-rail provided with a circular neck portion and circular depending portion in alinement with the axial center of such neck both in engagement with one of such members and having a corrugated eccentric portion in engagement with the other of such members, and means for securing such bolt in position, substantially as described.
7. In an apparatus of the class described,the combination of a bracket secured to aswitchrail, a switchrod adapted to be secured to the other switch-rail one of such members being provided with a corrugated perforation and the other of such members being provided with jaws having perforations between which i the member having the corrugated perforation is mounted, a bolt provided with upper and lower substantially cylindrical portions mounted in the perforations m such jaws and having a corrugated eccentric portion in engagement with the member having the corrugated perforation, and means for holding such bolt in position, substantially as described.
8. In an apparatus of the class described, the combination of a bracket secured to a switchrail and provided with aperforation having corrugated walls, a switch-rod adapted to be secured to the other switch-rail and provided with jaws between which the perforated portion of such bracket is mounted, a bolt-provided with upper and lower-cylindrical portions in engagement with the aws of such switch-rod and having a corrugated eccentric portion in engagement with the corrugated portion of the bracket, and means for holding such bolt in. position, substantially as described.
4 HENRY G. ELFBORG.
' Witnesses: v v.
HARRY I. OR MER, ANNA L. SAvoIE.
US19264404A 1904-02-08 1904-02-08 Switch-rod mechanism. Expired - Lifetime US768591A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2698214A (en) * 1951-02-16 1954-12-28 Clarence M Skamser Adjustable drawer slide
US4266591A (en) * 1979-06-18 1981-05-12 The United States Of America As Represented By The Secretary Of The Army Locking connector

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2698214A (en) * 1951-02-16 1954-12-28 Clarence M Skamser Adjustable drawer slide
US4266591A (en) * 1979-06-18 1981-05-12 The United States Of America As Represented By The Secretary Of The Army Locking connector

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