Invention Grant
- Patent Title: Tie-down compensation for an elevator system
- Patent Title (中): 降低电梯系统的补偿
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Application No.: US10556801Application Date: 2003-05-30
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Publication No.: US07946390B2Publication Date: 2011-05-24
- Inventor: Brian T. McNamara , Alfred R. Feitl
- Applicant: Brian T. McNamara , Alfred R. Feitl
- Applicant Address: US CT Farmington
- Assignee: Otis Elevator Company
- Current Assignee: Otis Elevator Company
- Current Assignee Address: US CT Farmington
- Agency: Carlson, Gaskey & Olds PC
- International Application: PCT/US03/17093 WO 20030530
- International Announcement: WO2004/108576 WO 20041216
- Main IPC: B66B11/08
- IPC: B66B11/08 ; B66B7/08 ; B66B7/10

Abstract:
An elevator system (20) includes a tie-down compensation arrangement (40). A tension member (42) extends between a cab (22) and counterweight (26) to provide a desired amount of tension on a load bearing rope or belt (30) that supports the cab and the counterweight. The tension member (42) in one example comprises a coated steel belt. At least one sheave (46) is supported on a base module (48) and remains stationary relative to a floor of a pit (52). A damper (50) is supported for movement with the counterweight (26) or the cab (22) to absorb energy that would otherwise tend to cause counterweight jump following a rapid descent and stop of the cab (22).
Public/Granted literature
- US20060249337A1 Tie-down compensation for an elevator system Public/Granted day:2006-11-09
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