Cased frame

Cased frame

The wood window frame of a double-hung window, including the sash pockets.

cased frame, boxed frame, box frame

The wood frame of a double-hung window; has hollow jambs or mullions which contain the sash counterweights.
References in periodicals archive ?
The Lightning II Carbines are currently being offered with a blued frame while the rifles are advertised with a color cased frame. They are available as carbines with a twenty-inch round barrel, as short rifles with a twenty-inch octagon barrel and as a full-rifle, sporting a twenty four-inch octagon barrel in either .357 Mag or .45 Colt.
For this .44 Special Bowen uses a 5 1/2" barrel, custom front sight, oversize locking base pin, beautifully colored cased frame, hammer and loading gate with a Ruger Bisley grip frame and trigger.