| 摘要 |
PCT No. PCT/GB85/00186 Sec. 371 Date Nov. 26, 1986 Sec. 102(e) Date Nov. 26, 1986 PCT Filed Mar. 27, 1986 PCT Pub. No. WO86/05718 PCT Pub. Date Oct. 9, 1986.A control mechanism is provided for use in a gas-operated spraying apparatus such as an airbrush having a needle located axially of a nozzle, the needle being retractable in the nozzle to dispense a medium, for example, paint to be sprayed. The control mechanism includes a manually actuated operating member supported by a pivotal linkage and movable in a first manner to retract the needle, the pivotal linkage causing the needle to be retracted initially at a reduced rate.
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