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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0140168 (1980-04-14) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 16 인용 특허 : 6 |
A heating device has a drive shaft rotated by a motor; the drive shaft is supported by bearings at its ends and has an upstanding key portion running substantially along its length; spacer elements and disc members having mating keyways aligned with the upstanding key of the shaft are alternatively
A heating device having a power source, comprising: (a) a drive member rotated by said power source; (b) a plurality of discs secured to said drive member; said discs being rotated by said drive member; (c) a shell member enclosing said discs, said shell member having a base member and a plurality o
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