Spring mounting for sash window tensioning arrangements

A sash window counterbalance spring mounting arrangement for use in a channel section within a window jamb, comprising:

• a spring support mounting comprising:
• a main body comprising:
• a generally rectangular plate comprising a rear surface configured to face inward to the window jamb channel section when installed in the jamb, an opposing front surface, two opposing longitudinal sides, and two opposing ends, the plate configured to support and locate at least two coiled ribbon springs;
• and
• a spine projecting from the front surface of the main body of the spring support mounting, the spine at least partially disposed centrally between the two opposing longitudinal sides of the main body, wherein the spring support mounting comprises a single unitary component.

A sash window counterbalance spring mounting arrangement for use in a channel section within a window jamb, comprising:

• a spring support mounting comprising:
• a main body comprising:
• a generally rectangular plate comprising a rear surface configured to face inward to the window jamb channel section when installed in the jamb, at least one projection extending from the rear surface for supporting and locating at least one coiled ribbon spring, an opposing front surface, two opposing longitudinal sides, and two opposing ends, the plate configured to support and locate at least two coiled ribbon springs;
• and
• a spine projecting from the front surface of the main body of the spring support mounting, the spine at least partially disposed centrally between the two opposing longitudinal sides of the main body, wherein the spring support mounting comprises a single unitary component, wherein the spring support mounting further comprises a head portion extending from one of the opposing ends and the rear surface of the main body, the head portion comprising a tip edge at a distal end thereof, wherein the tip edge extends beyond a distal end of the at least one projection when unrestrained, such that the tip edge can engage a wall of the jamb channel and resiliently abut the wall of the channel section when the spring support mounting is placed therein, and wherein the at least one projection extends from the rear surface for supporting and locating at least one coiled ribbon spring when unrestrained.