IP Library Granted Patent US 7,861,979
Granted Patent B2
US 7,861,979 · App. 11/985,168 · Granted Jan 4, 2011

Dragging equipment detector

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Quick Facts
Patent No.
US 7,861,979
App. No.
11/985,168
Granted
Jan 4, 2011
Kind
B2
Abstract

Disclosed systems, methods, and apparatti generally define inventions that detect and alert train crews of a potentially unsafe condition caused by equipment hanging below any portion of the train. It is emphasized that this abstract is provided to comply with the rules requiring an abstract that will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure. It is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims.

Claims (26)

1. A dragging equipment detector, comprising:

a rotatable striker shaft of a length defined between a support mount end and a composite leaf spring mount end;

the striker shaft having a plurality of striker paddles coupled thereto;

each paddle coupled to the striker shaft such that when in operation each paddle maintains a generally vertical position when at rest;

the striker shaft rotateably coupled to a support mount at the support mount end such that the striker shaft is axially rotatable;

the striker shaft rotateably coupled to a composite Leaf spring at the spring mount end; and

the striker shaft coupled to a sensor at either the spring mount end or the support shaft end;

wherein the composite leaf spring comprises:

a pair of spring rollers mounted to spring retainers, the spring retainers extend from the spring end of the striker shaft;

a composite spring rigidly mounted so that when the spring is at rest, the striker shaft is rotated such that the striker paddles are in a generally vertical position; and

the composite leaf spring rigidly mounted such that when at least one striker paddle not in the generally vertical position the striker shaft rotates and the roller shafts and the spring rollers cause the composite spring to hold a force.

2. A dragging equipment detector, comprising:

a rotatable striker shaft of a length defined between a support mount end and a composite leaf spring mount end;

the striker shaft having a plurality of striker paddles coupled thereto;

each paddle coupled to the striker shaft such that when in operation each paddle maintains a generally vertical position when at rest;

the striker shaft rotateably coupled to a support mount at the support mount end such that the striker shaft is axially rotatable;

the striker shaft rotateably coupled to a composite leaf spring at the spring mount end; and

the striker shaft coupled to a sensor at either the spring mount end or the support shaft end;

wherein the composite leaf spring comprises:

a pair of spring rollers mounted to spring retainers, the spring retainers extend from the spring end of the striker shaft;

a composite spring rigidly mounted so that when the spring is at rest, the striker shaft is rotated such that the striker paddles are in a generally vertical position;

the composite leaf spring rigidly mounted such that when at least one striker paddle not in the generally vertical position the striker shaft rotates and the roller shafts and the spring rollers cause the composite spring to hold a force; and

a composite leaf spring housing, the spring housing comprising:

a striker shaft bushing;

a housing interior, the housing interior having opposing composite leaf spring retainer mounts on which the spring retainer is mounted; and

a housing for environmentally sealing the spring housing.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 3, 2016
From: BEAMAN, DONALD COY
To: GLOBAL RAIL SYSTEMS, INC
Reel/Frame 038879/0964 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 3, 2016
From: GLOBAL RAIL SYSTEMS, INC
To: VOSSLOH SIGNALING USA, INC
Reel/Frame 038880/0085 →
Continuity (2)
Provisional Application 6096707100 · Aug 31, 2007
Related Publication 20090057495A1 · Mar 5, 2009