Harry Robertson

US Patent:

50130765, May 7, 1991

Filed:

Dec 27, 1989

Appl. No.:

7/457969

Inventors:

Harry G. Robertson - Chicago IL

Assignee:

Railhead Corporation - Chicago IL

International Classification:

B60B 3700

US Classification:

295 422

Abstract:

A removable, reuseable holding jig for a locking plate associated with the end cap of a railroad truck bearing in which the locking plate provides a plurality of cap screw head apertures through which the end cap holding screws project when threaded into the axle end cap of the railroad bearing. The holding jig is of the same configuration of such locking plate but of a larger size so as to overlap the edges of such plate and to be confined in the well provided by the axle roller bearings. The holding jig will position, and by a series of lugs engage the sides of the locking plate so as to prevent rotational movement thereof resulting from the rotational torque of the cap screws as they are threaded into the axle bearing.

US Patent:

43458599, Aug 24, 1982

Filed:

Jun 2, 1980

Appl. No.:

6/155615

Inventors:

Harry G. Robertson - Chicago IL

Assignee:

Edsco, Inc. - Evergreen Park IL

International Classification:

B65G 5346

US Classification:

406128

Abstract:

A hopper discharge valve for railway hopper cars used in transporting granular lading with the valve including a fully rotatable valve shaft having a plurality of discharging channels formed in its periphery throughout its length, with the channels being arranged so as to provide simultaneous discharge from both ends of the hopper car or from selected ends thereof.

US Patent:

44833598, Nov 20, 1984

Filed:

Sep 27, 1982

Appl. No.:

6/424068

Inventors:

Harry G. Robertson - Blue Island IL

Assignee:

Railhead Corp. - Evergreen Park IL

International Classification:

F16K 1304

US Classification:

137 68R

Abstract:

A pull away spill guard comprising an automatic shut-off valve positioned in a supply line used in transferring liquids from one container to another. The valve acts to automatically shut off the flow of liquid through the system if the system becomes accidentally over-pressurized or there is a separation or disrupting movement in the system operating between the two tanks.