Stoves and furnaces – Dampers – Stovepipe
Patent
1986-07-14
1987-03-03
Yeung, James C.
Stoves and furnaces
Dampers
Stovepipe
126285R, 126295, 403299, 411417, 411437, F23L 300
Patent
active
046467157
ABSTRACT:
There is disclosed an extension apparatus for a damper assembly having an extension member for effectively extending the damper assembly control shaft and a securing member for securing the extension member onto the control shaft.
REFERENCES:
patent: 2106093 (1938-01-01), Goese
patent: 2130476 (1938-09-01), Young
patent: 2183292 (1939-12-01), Kerentoff
patent: 2230882 (1941-02-01), Cameron
patent: 2323038 (1943-06-01), Heasley et al.
patent: 2362623 (1944-11-01), Fossum
patent: 2488006 (1949-11-01), De Roo
patent: 2966169 (1960-12-01), Reece
patent: 3722499 (1973-03-01), Lukjan
patent: 4500224 (1985-02-01), Ewing
Fails James C.
Wofford William T.
Yeung James C.
Zobal Arthur F.
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