Otis Elevator Company

Valery G Sheynkman

Richard S Blakelock

Craig A Buckley

Troy R Chicoine

William J Derwin

Douglas B LaBrecque

James A Rivera

Richard E Kulak

Michael J Tracey

Jesse R Richter

Daniel B Davis, Iii

Christopher H Koenig

Michael P Keenan

Blair J Cohen

Doug B LaBrecque

Michael Joseph Concannon

Duane R Stupienski

Kenneth V Allen

Gregory M Oseep

Robert Scott Farmer

An assembly for controlling a vertically extending member includes a device having a stop member and a speed control member for controlling movement of the vertically extending member such as an elevator load bearing member during a roping procedure. In a disclosed example, the stop member is biased into a stop position where the vertically extending member is locked between a brake pad and a guiding member so that the vertically extending member cannot move relative to the device. An example input member for moving the stop member out of the stop position comprises a foot pedal that can be manipulated to control a position of the stop member. Absent manual manipulation of the input member, the stop member prevents movement of the vertically extending member. In a disclosed example, a speed control member comprises a pad that selectively engages a vertically extending member responsive to manual manipulation of a handle for moving the pad relative to a base of the device.

Method of installing a vertically extending member in an elevator system

An assembly for controlling a vertically extending member includes a device () having a stop member () and a speed control member () for controlling movement of the vertically extending member such as an elevator load bearing member () during a roping procedure. In a disclosed example, the stop member () is biased into a stop position where the vertically extending member () is locked between a brake pad () and a guiding member () so that the vertically extending member () cannot move relative to the device (). An example input member for moving the stop member () out of the stop position comprises a foot pedal () that can be manipulated to control a position of the stop member (). Absent manual manipulation of the input member, the stop member () prevents movement of the vertically extending member (). In a disclosed example, a speed control member () comprises a pad () that selectively engages a vertically extending member () responsive to manual manipulation of a handle () for moving the pad () relative to a base () of the device ().

Assembly for roping an elevator

An exemplary method of retrofitting a brake onto an elevator machine that was previously installed in an elevator system includes selecting a surface of the elevator machine that rotates as a sheave of the machine rotates. A braking surface is provided on the selected surface. At least one brake member is installed in a position to selectively engage the braking surface.

Supplemental elevator brake and retrofitting installation procedure

A simplified elevator car door lock assembly locks an elevator car door if the car is outside a landing zone and there is an attempt to open those doors. The car doors are connected to the hoistway doors by a pair of vanes mounted on the car door and a pair of rollers mounted on the hoistway door. A third vane is attached to the car door and follows a cam path on the car door to lock the car doors if the car is not in a landing zone. Conversely, the third vane senses if the car is in a landing zone and does not lock the car door if it is moved.

Elevator evacuation deterrent device

Growing community of inventors

West Hartford, CT, United States of America

Valery G Sheynkman