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.

Date of Patent:
Jul. 11, 2017

Filed:

Jun. 13, 2013
Applicant:

Sommital, Chambery, FR;

Inventor:

Yves Chedal Bornu, Bozel, FR;

Assignee:

SOMMITAL, Chambery, FR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B61B 12/06 (2006.01); B61B 12/00 (2006.01); E05B 47/00 (2006.01);
U.S. Cl.
CPC ...
B61B 12/06 (2013.01); B61B 12/002 (2013.01); E05B 47/0002 (2013.01);
Abstract

This seat includes a guard-rail able to occupy a lowered first extreme position and a raised second extreme position, and means for locking the guard rail when it is in a lowered position. The locking means include a bistable electromagnet provided with a rod that is able to move between a stable first position in which the rod allows the guard rail to lock in the lowered position by interposing an obstacle in the upward path described by a guard rail element to pass from the lowered position to the raised position, and a stable second position in which the rod allows the guard rail to unlock so that it can be moved into the raised position by moving the obstacle away from the upward path described by the guard rail element.


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