Switchover mechanism for a reversible control valve of a...

Details Switchover mechanism for a reversible control valve of a... Switchover mechanism for a reversible control valve of a...

2006-01-09

2008-10-07

Nash, Brian D (Department: 3721)

Tool driving or impacting

Passage in manipulating handle for drive motor motive fluid

Motive fluid control valve in handle passage

C173S104000, C173S218000

Reexamination Certificate

active

07431102

ABSTRACT:
The switch mechanism for the reversible control valve of the pneumatic tool focuses on the switchover bar because of the users' right handed and left-handed issues. The primary feature is to make the switchover bar of the reversible control valve and the speed-adjusting valve to roll in the axial direction, and use the combination of the elastic component to make the combination and position section of the connecting section to position with the valve bar positioning section of the reversible control valve. When force of the connecting section of the switchover bar is pulled toward external trigger, it can release the combination and position section and the toggle switch of the switchover bar can achieve switching. When the toggle switch is adjusted, the repositioning may be restored by using the combination and position section and valve bar positioning section without having to take the parts apart.

REFERENCES:
patent: 5918686 (1999-07-01), Izumisawa
patent: 6044917 (2000-04-01), Brunhoelzl
patent: 6062323 (2000-05-01), Pusateri et al.
patent: 7032881 (2006-04-01), Chiang
patent: 7222680 (2007-05-01), Livingston et al.
patent: 7311155 (2007-12-01), Chang et al.
patent: 2003/0010513 (2003-01-01), Taga
patent: 2004/0231868 (2004-11-01), Hall
patent: 2007/0131441 (2007-06-01), Chang
patent: 2007/0137873 (2007-06-01), Livingston et al.

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