发明名称 Ratchet assembly for electric fan
摘要 A ratcheting mechanism for a fan having a base and a head assembly. The ratcheting mechanism has a pivot having a portion for coupling with the fan head assembly; a member disposed within a portion of the pivot; a extension portion having side walls spaced apart from one another, the pivot and member disposed between the side walls of the extension portion; a pin having a lower portion seated within a base portion of the extension portion, an upper portion of the pin resiliently placed against the collar; and a coupling placed through a central portion of the side walls and the pivot for compressing the side walls against the pivot to maintain a position of the fan head assembly and allowing bi-directional pivoting of the pivot relative to the extension portion in a range of greater than 45 degrees absent a tightening and a loosening of the coupling.
申请公布号 US2004037704(A1) 申请公布日期 2004.02.26
申请号 US20020225221 申请日期 2002.08.21
申请人 CICHETTI MICHAEL D.;ORR PAUL W. 发明人 CICHETTI MICHAEL D.;ORR PAUL W.
分类号 F04D29/60;F04D29/64;F16C11/10;F16M11/06;(IPC1-7):F04D29/64 主分类号 F04D29/60
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