Synchronized off-shaft loading of elevator cabs

US5758748A · kind A · utility

Assignee

• OTIS ELEVATOR COMPANY · US

Inventors

• Frederick H. Barker · Bristol, US
• Paul Bennett · Waterbury, US
• Anthony Cooney · Unionville, US
• Richard C. McCarthy · Simsbury, US
• Joseph Bittar · Avon, US
• Bruce A. Powell · Canton, US
• Samuel C. Wan · Simsbury, US
• John K. Salmon · Mendham, US

Key dates

• Filing date: Nov 29, 1995
• Grant date: Jun 2, 1998
• Expiry date: Nov 29, 2015

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B66B9/00
• WIPO field: Handling
• WIPO sector: Mechanical engineering

Abstract

An elevator cab X is moved from a hoistway TL to a car frame (11) simultaneously with moving a cab Y from the car frame (11) onto a landing TR. Double deck car frames (11a) may be utilized with cars P, Q going in the opposite direction of cars X, Y as they are transferred between the car frame and corresponding landings.