Adjustable packing gland assembly for movable blade damper

Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member

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Details

277 37, 277 47, 277105, F16J 1500

Patent

active

044075103

ABSTRACT:
A packing gland assembly for a movable blade damper comprises a packing gland sleeve and a packing gland cap. The cap serves to confine a packing material between the packing gland sleeve and a blade shaft which passes through a damper frame and supports a damper blade. In addition, the packing gland sleeve defines a circular recess which receives a pressure seal between the packing gland sleeve and a frame member. The packing gland assembly is held in place against the frame member by means of two threaded fasteners such that a range of lateral adjustment is provided. In this way, the packing gland assembly is positively and sealingly mounted in place on the frame member, yet is free to follow the blade shaft as necessary to maintain concentricity between the packing gland sleeve and the shaft during adjustment.

REFERENCES:
patent: 315350 (1885-04-01), Shook
patent: 2069443 (1937-02-01), Hill
patent: 3172671 (1965-03-01), Downs
patent: 3281113 (1966-10-01), Ahern
patent: 4194746 (1980-03-01), Stevens

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