Definitions for "Sash balance"
A device to support the weight of a sash on a vertical sliding window Balansveer, Patentveer, Schuifraamveer
A system of weights, cords and/or coiled springs which assist in raising double-hung sash and tend to keep the sash in any placed position by counterbalancing the weight of the sash.
a window component used to raise double hung sashes and keep the sashes any placed position