To prevent a foreign matter adhering to inner faces of a float arm and a sub arm from being inserted between outer faces of corners of tip ends of first and second spring receivers when the first and second spring receivers rotate.
A snap mechanism 5 in the liquid pressure feeding device includes: an oscillating shaft 21 supported inside a sealed container 2; the float arm 22 and the sub arm 23 rotating around the oscillating shaft 21; a first shaft 24 supported by the float arm 22; a second shaft 25 supported by the sub arm 23; a first spring receiver 28 rotating around the first shaft 24; a second spring receiver 29 rotating around the second shaft 25; and a spring 26 mounted between the first and second spring receivers 28, 29. A float 3 is connected to the float arm 22, and a switching valve 4 is connected to the sub arm 23 via a power transmission shaft 46. Rounding processings 61, 62, 63, 64 are applied to the corners of the tip ends of the first and second spring receivers 28, 29 in which the corners of the tip ends are cut.
| WO/1993/005336 | AUTOMATIC DRAIN VALVE FOR A COMPRESSED AIR FILTER |
HIROYA MASAHISA
NISHIMURA SUKETAKA
| JP2000002200A | 2000-01-07 | |||
| JPH06272797A | 1994-09-27 | |||
| JP2001132894A | 2001-05-18 |
| US1493640A | 1924-05-13 |
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