Terry D Peters

US Patent:

50526421, Oct 1, 1991

Filed:

Apr 18, 1990

Appl. No.:

7/510441

Inventors:

Terry D. Peters - Elkhorn NE

International Classification:

B61L 506

US Classification:

246393

Abstract:

A railroad track switch stand includes a support frame having a throw crank operably mounted thereon for reciprocating a connecting rod. A pair of cams are mounted on the throw crank so as to rotate the throw crank on the frame. A throw arm is operably connected to the frame and associated with one cam so as to engage the cam and rotate the throw crank. A second throw arm is associated with the second cam so as to engage the second cam and rotate the throw crank. The throw arms are mounted on the frame so as to be out of engagement with the associated cams, until moved between first and second positions. Each throw arm has a cam-engaging roller which is slidably mounted, so as to engage the associated cam when the throw arm and cam are initially in adjacent positions, and so as to bypass engagement with the cam when the cam and throw arm are initially in opposite positions. The first and second throw arms are independently operable to allow either throw arm to throw the throw crank and thereby throw the associated railroad track switch.

US Patent:

50149377, May 14, 1991

Filed:

Aug 10, 1989

Appl. No.:

7/392060

Inventors:

Terry D. Peters - Elkhorn NE

International Classification:

B61L 502

US Classification:

246406

Abstract:

A method for modifying a railway switch stand is utilized on conventional switch stands having a table mounted on legs above a base plate, a rotatable throw crank having a shaft extending vertically from the base plate through the table, and a handle extending from a yoke which is attached to the throw crank shaft above the table. The first step in modifying the switch stand is to remove the handle and yoke from the throw crank shaft. A housing having gear works therein is mounted to the table and a yoke within the housing is attached to the throw crank shaft. A bevel gear in the gear works is mounted on the yoke for rotation with the shaft, and a pinion gear is mounted in the housing for rotation intermeshed with the first bevel gear. A rotatable wheel-type handle is mounted to the pinion gear so as to enable the switch to be open or throw by rotating the handle and thereby rotating the throw crank shaft. The gears are designed to provide a gear reduction of about four to one so that one full rotation of the wheel will rotate the throw crank shaft approximately 90. degree.