Back to results
US 12,325,458 B2Granted
Independent rail test release mechanism
AssigneeHitachi Rail Sts USA, Inc.
InventorsAndrew Imhof, Sheldon Adam Benton, Barrett Swygert, David F. Byrne, William A. Chisholm, Jr., Kevin McQuistian
Life of this patent
Estimating the term…
Abstract
A test release mechanism for a railway switch machine includes a block structured to attach to a lock box in order to move in conjunction with the lock box and a lift pin structured to be operable to selectively engage and disengage the block with a slide bar.
Claims14
A test release mechanism for a railway switch machine, the test release mechanism comprising:
- a block structured to attach to a lock box in order to move in conjunction with the lock box;
- and
- a lift pin structured to be operable to selectively engage and disengage the block with a slide bar,
- wherein the lift pin is operable to insert into a corresponding opening of the slide bar to engage the block with the slide bar and to be removed from the corresponding opening of the slide bar to disengage the block from the slide bar.
1 more element
A locking mechanism for a railway switch machine, the locking mechanism comprising:
- a lock box;
- a lock rod passing through the lock box;
- a slide bar;
- and
- a test release mechanism including:
- a block structured to attach to the lock box in order to move in conjunction with the lock box;
- and
- a lift pin structured to be operable to selectively engage and disengage the block with the slide bar.
5 more elements
Dependencies are inferred from the claim text.