Knob with different gear ratios
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United States of America Patent
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-
May 16, 2006
Issued Date -
N/A
app pub date -
Jul 3, 2001
filing date -
Jul 14, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A knob adjustment device particularly for adjusting the temperature in valve units for water-heating apparatus. The device comprises a geared transmission interposed between the knob and an operating member of the valve unit in order to transmit a rotary movement to the member about its own axis as a result of a rotation of the knob. The geared transmission includes a reduction mechanism with a variable transmission ratio such that, for a first angular portion and a second angular portion of the rotation of the knob, the member is rotated with respective different transmission ratios (T.sub.1,T.sub.2).
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Cited Art Landscape
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