Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
October 13, 2009
Patent Application Number
11965335
Date Filed
December 27, 2007
Patent Primary Examiner
Patent abstract
The invention relates to a carriage for driving handrails of walkways and moving stairs, comprising a body (6) in the form of a vertical plate in which leading rollers (7) are assembled; two swinging locking pawls (12-13) for locking with a drive chain; a free turning wheel (24) intended to be supported against a cam profile in order to cause the pawls (12-13) to swing between an operative vertical position and an inoperative horizontal position; and an arm (8) intended to engage with the variable pitch screws.
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