weight pocket

weight box

In a window frame, the channel in which the sash weights move up and down.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
Fans and LED light are powered with a single light weight pocket sized battery which will run up to 8 hours and can be worn on the belt or in a pocket of the surgical gown.
Remove the sash cord pulleys and stuff the weight pockets with fiberglass insulation.