Metal working – Method of mechanical manufacture – Assembling or joining
Patent
1994-09-23
1996-07-16
Kwon, John T.
Metal working
Method of mechanical manufacture
Assembling or joining
29521, B21D 3900
Patent
active
055355013
ABSTRACT:
A warm air furnace and method for securing a thermostat to a wall of a warm air furnace utilizes a thermostat mounting flange which has its ends forced inwardly into openings formed in a wall of the furnace, and the thermostat may be secured to the wall of the furnace without the use of screws.
REFERENCES:
patent: 985395 (1911-02-01), Christenson
patent: 2205051 (1938-01-01), Schmitt
patent: 3909919 (1975-10-01), Miyabayashi et al.
patent: 4641684 (1987-02-01), DeLord
patent: 4983066 (1991-01-01), Becker et al.
patent: 5443284 (1995-08-01), Strahl et al.
patent: 5459919 (1995-10-01), Howie, Jr.
Goodman Manufacturing Company, L.P.
Kwon John T.
Tobor Ben D.
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