US 7,523,809 B2
Elevator top of car safety
Andrés Monzón-Simón, Madrid (Spain); Julián Cabañas Falcón, Madrid (Spain); Fernando Del Rio Sanz, Torrelodones (Spain); Antonio De Miguel Urquijo, Madrid (Spain); Francisco Luis Sanz Delgado, Madrid (Spain); Herbert Horbrügger, Berlin (Germany); Peter Leo Herkel, Berlin (Germany); and Dirk Heinrich Tegtmeier, Berlin (Germany)
Assigned to Otis Elevator Company, Farmington, Conn. (US)
Appl. No. 10/592,909
PCT Filed Apr. 30, 2004, PCT No. PCT/IB2004/001582
§ 371(c)(1), (2), (4) Date Sep. 15, 2006,
PCT Pub. No. WO2005/105645, PCT Pub. Date Nov. 10, 2005.
Prior Publication US 2008/0245619 A1, Oct. 09, 2008
Int. Cl. B66B 5/00 (2006.01); B66B 9/00 (2006.01); B66B 13/00 (2006.01); B66B 11/00 (2006.01)
U.S. Cl. 187—401  [187/314; 187/414; 182/148] 11 Claims
OG exemplary drawing
 
1. An elevator car comprising a cover extending over at least a portion of the top surface of the car, said cover being mounted on a resilient support; the car further comprising detection means for detecting displacement of the cover corresponding to a weight exceeding a predetermined threshold being applied to the cover, the car being arranged so as to prevent normal operation if said displacement has been detected; wherein said cover is provided on a retractable balustrade.