General Electric Company

Emhart Industries, Inc.

Richard W Schumacher

Zakhary Fayngersh

George J Boucher

Ronald S Slusarski

Denis A Perzan

Peter F Cavanaugh

A molded case circuit breaker support and a circuit breaker enclosure are arranged with air transfer slots and passages to promote chimney effect cooling of the circuit breaker components. The slots in the circuit breaker support direct ambient cooling air onto the circuit breaker terminals while the passages through the enclosure direct the ambient air flow from the bottom to the top of the enclosure.

Thermally efficient compact circuit breaker support and enclosure

An arm for a door closer includes a shaft rotatable about a first axis. The arm includes a first arm member having a first end connected to the shaft and rotatable therewith. A second arm member has a first end pivotably connected to a second end of the first arm member and a second end pivotably connected to a mounting bracket. The second arm member includes an open ended axially movable housing member having radially inwardly extending detent. A clamp has a first end forming the first end of the second arm and a second and forming radially expandable jaws of the clamp. The detent on the housing when disposed in a first axial position maintains the jaws in a closed position and when moved to a second axial position permits the jaws to radially expand. A link has a first end forming the second end of the second arm and a second end. A joining member is connected to the second end of the link and extends towards the clamp. The joining member is held in a fixed position by the jaws when the jaws are closed and is axially movable relative to the clamp when the jaws are radially expanded.

Adjustable closer arm

Growing community of inventors

Newington, CT, United States of America

Richard W Schumacher