초록 ▼

A gear driven oscillation sprinkler head including a gear train for transmitting rotational drive from a drive motor to the oscillating sprinkler head with a shifting mechanism including a shiftable gear cage assembly which includes alternately engageable driving terminal gears with an output shaft

A gear driven oscillation sprinkler head including a gear train for transmitting rotational drive from a drive motor to the oscillating sprinkler head with a shifting mechanism including a shiftable gear cage assembly which includes alternately engageable driving terminal gears with an output shaft ring gear, having a reversing toggle device and single overcenter spring device for continuously maintaining a driving engagement bias on the gear cage assembly until the reversing toggle device passes over center at which time the gear cage assembly and reversing toggle device bias simultaneously reverse for maintaining the gear cage in the alternate driving engagement position.

대표청구항 ▼

An oscillating transmission for use with an oscillating sprinkler head having an output gear, a gear cage means with two drive gears, a first drive gear and a second drive gear for alternately driving said output gear to oscillate it, means mounting said gear cage means for movement, reversing toggl

An oscillating transmission for use with an oscillating sprinkler head having an output gear, a gear cage means with two drive gears, a first drive gear and a second drive gear for alternately driving said output gear to oscillate it, means mounting said gear cage means for movement, reversing toggle means mounted for movement adjacent said gear cage means, a single interacting overcenter biasing means mounted between said reversing toggle means and said gear cage means for biasing said gear cage means and said reversing toggle means in the same direction on opposite sides of a center position for driving said output gear by said gear cage means, means for moving said reversing toggle means to move it over its center position to bias said gear cage means and said reversing toggle means in the opposite direction, said means for moving said reversing toggle means being connected to said output gear.