Connection collar having an adjustable damper

Details Connection collar having an adjustable damper Connection collar having an adjustable damper

1999-05-24

2000-07-04

Shaver, Kevin

Valves and valve actuation

With means for blocking or disabling actuator

Released by non-valving actuator motion

251 97, 251306, F16K 3500

Patent

active

060827041

ABSTRACT:
The present invention relates to a connection collar for a duct ventilation system and furnace. The connection collar is comprised of a self-guiding and self-locking damper valve, which when positioned becomes part of a completely sealable joint when used with preferably flexible insulated heating pipe. With the adjusting apparatus and locking apparatus completely contained within the connection collar the connection collar forms a vapor barrier when used with the preferable pipe and or furnace. The self-locking and self-guiding apparatus comprises of a spring biassing arrangement and a cone shaped receiver equipped with catch teeth which when engaged mate with teeth circumferentially positioned on the damper apparatus.

REFERENCES:
patent: 3383086 (1968-05-01), Ryen
patent: 3477690 (1969-11-01), Murota et al.
patent: 3497180 (1970-02-01), Ryen
patent: 3502299 (1970-03-01), Phillips
patent: 3941151 (1976-03-01), Biddle
patent: 4628954 (1986-12-01), Daynus
patent: 4715518 (1987-12-01), Myers
patent: 4744290 (1988-05-01), Josephson
patent: 5370360 (1994-12-01), Buckley
patent: 5806830 (1998-09-01), Alvarez
patent: 5813430 (1998-09-01), De Leon
patent: 5857617 (1999-01-01), Weng

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