Sound deadener for window counterbalance spring

Details Sound deadener for window counterbalance spring Sound deadener for window counterbalance spring

1988-07-07

1989-08-08

Oberleitner, Robert J.

Spring devices

Elastic extension devices

Tension spring

16197, 16DIG6, 118 63, 267148, 267166, 428379, F16F 900, F16F 136, E05D 1300, B32B 1500

Patent

active

048545589

ABSTRACT:
A window counterbalance spring (10, 30) enclosed within a spring cover (35) or tube (25) is sound deadened against rattling by having its outer surface (16) coated with a hot melt adhesive (11). Hot melt (11) is preferably sprayed on outer surface (16) of the spring, at it is wound; and for rotationally tensioned springs (10) surrounding twisted rods (20), some hot melt is deposited on the interior (17) of the spring to cushion its vibration against the twisted rod.

REFERENCES:
patent: 2851721 (1958-09-01), Decker et al.
patent: 3478384 (1969-11-01), Skolnik
patent: 4104426 (1978-08-01), Gonzalez et al.
patent: 4204022 (1980-05-01), Snyder et al.
patent: 4540070 (1985-09-01), Yonovich et al.
patent: 4753423 (1988-06-01), Ukai et al.
patent: 4778642 (1988-10-01), Lee et al.

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