Stop bar for creating a temporary safety space within an...

Elevator – industrial lift truck – or stationary lift for vehicle – Having specific means contacting or on load support for... – Includes movable contact component on support for engaging...

Reexamination Certificate

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Details

C187S359000, C187S361000, C187S360000

Reexamination Certificate

active

10804243

ABSTRACT:
A device and procedure for creating and securing a temporary safety space within an elevator hoistway such that a service or maintenance technician can work with impunity from a car entering the safety space. In particular, the device includes a stop bar for installation between and in engagement with opposing guide rails of the hoistway to prevent upward or downward movement of the car or a counterweight.

REFERENCES:
patent: 2563514 (1951-08-01), Brosamer
patent: 5613576 (1997-03-01), Lamb
patent: 5651429 (1997-07-01), Lin
patent: 5773771 (1998-06-01), Chatham
patent: 6138798 (2000-10-01), Macuga
patent: 6164418 (2000-12-01), Chen et al.
patent: 6435316 (2002-08-01), Ando
patent: 6860501 (2005-03-01), Schmidt et al.
patent: 2001/0022253 (2001-09-01), Reuter
patent: 100 65 099 (2002-07-01), None
patent: 0 922 663 (1999-06-01), None
patent: 0 985 628 (2000-03-01), None
patent: 0 725 033 (2001-05-01), None
patent: 1 386 876 (2004-02-01), None
patent: WO 00/47510 (2000-08-01), None

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