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:
Jan. 02, 2024
Filed:
Apr. 16, 2019
Kone Corporation, Helsinki, FI;
Ari Kattainen, Helsinki, FI;
Juha-Matti Aitamurto, Helsinki, FI;
Antti Hovi, Helsinki, FI;
Juha Panula, Helsinki, FI;
Jari Kantola, Helsinki, FI;
Matti Rasanen, Helsinki, FI;
Janne Mikkonen, Helsinki, FI;
Nithil Karimpanackal Natarajan, Helsinki, FI;
Jari Pursiainen, Helsinki, FI;
Markku Haapaniemi, Helsinki, FI;
Kone Corporation, Helsinki, FI;
Abstract
The invention relates to an elevator safety arrangement comprising a hoistway; an elevator car mounted in the hoistway; a working platform on top of the elevator car; at least one movable balustrade, which is movable between a substantially upright position and a substantially horizontal position; and a sensing arrangement for sensing position of the movable balustrade, said sensing arrangement for sensing position of the movable balustrade comprising at least one sensor for sensing position of the balustrade. Said at least one sensor for sensing position of the balustrade comprises a sensor body and a sensor head, and the sensor head is movable relative to the sensor body, and the balustrade is arranged to move the sensor head when pivoted, the balustrade comprising a cam member pivotal together with the balustrade, the cam member comprising one or more protrusions and depressions, and the sensor head is placed against the cam member for being actuated by aid of at least one protrusion and at least one depression of the cam member.