US1749489A - Gauge rod - Google Patents

Description

March 4, 1930; M. J. KlST 1,749,489

GAUGE HOD Filed April 18, 1929 4 I I 5 ail/[III]! 1 a W Y 4 W a track.

Patented Mar. 4, 1930 MICHAEL J. KIST, 0F J'OHNSTOWN, PENNSYLVANIA GAUGE ROD Application filed April 18,

This invention relates to gauge rods and more particularly to track gauge rods of the type having relatively adjustable jaws or clips to engage over the flanges of track rails, and has for its object the provision of a novel adjustable jaw structure and novelmeans for locking said jaw in adjusted position.

In the drawings- Figure 1 is an elevation showing the gauge rod of this invention positioned on the rails of Figure 2 is a plan view of the gauge rod.

Figure 3 is aside elevation, partly broken away, of the removable jaw.

Figure 4 is an end elevation of the rem0vable jaw.

Figure 5 is a perspective View of the nut. Figure 6 is a perspective view of the lock- Referring more particularly to the drawings, the numeral 2 designates the tensioning rod portion of the gauge rod which has an integral fixed j aw 3 at one end for engagement over the outside flange 4 of one of the track rails 5. The other end of the rod 2 is threaded at 6. A movable jaw 7 fits over the threaded end 6 of the rod, and a nut 8 is.

threaded on the threaded end 6 of the rod in' order to force the movable jaw 7 over the outside flange 9 of the other rail 10 of the track.

The movable jaw 7 is composed of a U-shaped sleeve portion 12 adapted to partially surround the rod 2 and has rail bearing surfaces 13 extending laterally from opposite sides thereof adapted to engage the bottom of the rail. The outer end of the jaw 7 is provided with an overhanging member 14 adapted to engage the upper surface of the rail flange and is connected to the sleeve portion 12 by a wall 15. An opening 16 is provided in the wall 15 to receive the rod 2.

The outer end face of the jaw 7 is flat and extends in avertical plane when the jaw is in operative position so as to form a. bearing for the nut 8. s

v The inner face of the nut is provided with diametrically opposite grooves or slots 17 and the flat vertical outer end face of the movable jaw 7 is provided with a plurality 1929. Serial n. 356,169.

of slots 18 of the same width as the slots 17. When the nut 8 is rotated, the slots 17 are adapted to be alined with the slots 18 to receive a locking pin or key 19.

The back walls of the slots 18 are inclined inwardly adjacent the upper ends of said slots to form a deepened portion or pocket 20.

The pins or keys 19 are provided with a chamfered lower end19 to facilitate starting the pins, and their one side face is proto I vided with a beveled projection 21 terminating at itsupper end in a square shoulder 22.

In operation, when the jaw 7 has been forced into engagement by the nut 8, the nut will be positioned so thatone of the slots 17 is in alinement with one of the slots 18, and the pin or key 19 will be positioned in the alined slots with the projection 21 facing the ,jaw 7. The key or pin will then be forced into the slots until the projection 21 enters the pocket 20 of the slot 18 whereby the nut will be locked against rotation and the key or pin will be locked against displacement. When the key or pin 19 is forced into the 'alined slots the beveled projection will engage the wall 15 of the jaw 7 and serve as awedge to force the pin to flex until the projection 19 enters the pocket 20.

While I have shown one specific embodiment of my invention it will be understood that I do not wish to be limited thereto since various modifications may bemade without departing from the scope of my invention, as defined in the appended claims.

I claim 1. In a gauge rod device, the combination of a rod member having a fixed jaw at one end and having its other end threaded, a movable jaw mounted on said rod and in opposite relation with respect to the fixed jaw, said jaw having a substantially vertical outer end face, a nut threaded on said rod and adapted to contact with said outer end face of said movable jaw to move said jaw toward said fixed jaw to engage the flange of a track rail,

adapted to be mounted in said alined recesses to look said nut against rotation.

2. In a gauge rod device, the combination with a rod member having a fixed jaw at one end and having its other end threaded, a movable jaw mounted on said rod and in opposite relation with respect to the fixed jaw, said jaw having a substantially vertical outer end face, a nut threaded on said rod and'adapted 140 to contact with said outer end face of said movable jawto move said jaw toward said fixed jaw to engage the flange ofa track rail, said outer endface of said movable jaw and the inner face of said nut being provided With I recesses adapted to be brought intoalinement 4,5 my hand.

by the rotation'of said nut, the recesses in said outer end face of said movable jawhav- V ing their upper portions formed materially deeper than their lower portions so as to form pockets, and at least one locking pin having a projecting lug on one face, said pin being adapted to be forced into said alined recesses so. that said lug enters said pocket thereby locking said nut and jaw against relative movement and locking said pin against displacement.

3. In a gauge rod device, the combination of a rod member having a threaded end, a movable jaw mounted on said rod, said jaw having a substantially vertical outer end face, a nut threaded onsaid rod and adapted to contact with said outer end face of said movable jaw to move said jaw along said rod so as to engage the flange of a track rail, said outer end face of said movable'jaw and the inner face of said nut being provided with recesses adapted to be brought into alinement by the rotation of said nut, and a locking pin adapted to be mounted in said alined recesses 40 to lock said nut against rotation, said pin having a Wedge-shaped projection on its one face which projection is adapted to enter said recess to lock said pin against displacement.

In testimony whereof, I have hereunto set MICHAEL J. KIST.

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