Title: Electrically heated humidifying apparatus

Abstract: An electrically heated humidifying apparatus includes a humidifier element detachably secured to a humidifier heater with the base of the humidifier element in engagement with the electric heating plate of the humidifier heater. The humidifier element is secured to the humidifier heater by an intermediate adaptor having a ring portion with spaced lugs interfitting with correspondingly spaced lugs on the humidifier heater and a horse-shoe shaped portion adapted to slidably receive the humidifier element and engage with an annular shoulder on the humidifier element.

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Inventors: O'Hare, David H. (Auckland, NZ)
Brickell, Christopher G. (Auckland, NZ)
Spilman, Lindsay G. (Auckland, NZ)

Application Number: 862687
Filing Date: 1977-12-21
Publication_date: 1980-05-13
Assignee: Fisher & Paykel Limited (Auckland, NZ)
Primary Class(es): 392/390 128/203.27, 219/433, 219/436, 248/154, 248/310, 261/142
Other Classes:
US Patent Ref:

1083254	Dec, 1913	Hurley	248/310.
2171664	Sep, 1939	McFarland	248/154.
2666607	Jan, 1954	Hauf	248/154.
3659604	May, 1972	Melville et al.	219/276.
3982095	Sep, 1976	Robinson	219/273.

Other Refs: 214709

Jun, 1908	DE2

Primary Examiner: Bartis, A.
Assistant Examiner:
Attorney: Holman & Stern