floor pit

floor pit

A recess below a floor which provides access to parts beneath a machine, as an elevator pit.
References in periodicals archive ?
It's self-supporting and doesn't require a shaft, floor pit or machine room.
The machine can handle all types of window sash styles, and it can be designed to flip up to a 96-in, window sash without a floor pit. The system can operate in an automatic or manual mode.
As with their predecessors, PlastiMach says, the new Comet thermoforming machines require no floor pit on a 47-inch sheet line.