The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 01, 2014
Filed:
Sep. 16, 2011
Applicants:
Iqbal Chadda, Bishop's Stortford Hertfordshire, GB;
Hari Reddi, Enfield, GB;
Inventors:
Iqbal Chadda, Bishop's Stortford Hertfordshire, GB;
Hari Reddi, Enfield, GB;
Assignee:
SPX International Limited, , GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E01B 7/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A mechanical lock for railway points comprising an outer tube and a linear arrangement of interlinked components arranged in a core of the outer tube, the interlinked components comprising five coaxially arranged, separately manufactured, elements, including a central tie and two link-rods, the two link rods being respectively interlinked at first ends thereof to opposing ends of the central tie by expandable components.