Emergency brake device for elevator

Elevator – industrial lift truck – or stationary lift for vehicle – Having specific means contacting or on load support for...

Reexamination Certificate

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Details

C187S254000, C187S350000, C188S171000, C188S173000

Reexamination Certificate

active

10565970

ABSTRACT:
An emergency brake device for an elevator includes a brake shoe portion provided inside a sheave1or deflector sheave of an elevator and having a brake shoe5aat a lower end of the brake shoe portion, the brake shoe generating a braking force due to friction upon abutting an inner wall of an outer peripheral frame of the sheave or deflector sheave at a time of braking, the brake shoe portion having built therein spring mechanisms51, 52provided between the brake shoe and king pins5f1, 5f2, which are offset in a rotation direction of the sheave or deflector sheave with respect to a centerline passing through a rotation shaft of the sheave or deflector sheave and are fixed on a bearing1bside of the rotation shaft, the spring mechanisms each absorbing a force generated between the brake shoe and the king pin due to the braking force and being connected to the king pin at one end.

REFERENCES:
patent: 4287551 (1981-09-01), Watanabe
patent: 4739969 (1988-04-01), Eckersley et al.
patent: 5007505 (1991-04-01), Lindegger
patent: 7080717 (2006-07-01), Ito
patent: 2004/0262091 (2004-12-01), Ito
patent: 2-106590 (1990-04-01), None
patent: 5-193860 (1993-08-01), None
patent: 6-199483 (1994-07-01), None
patent: 10-203761 (1998-08-01), None
patent: 10203761 (1998-08-01), None
patent: 2002-106611 (2002-04-01), None
patent: 2002-241064 (2002-08-01), None
patent: 2002-267578 (2002-09-01), None
patent: WO 03008317 (2003-01-01), None
patent: 03/089354 (2003-10-01), None

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