| 摘要 |
A repeating dispenser comprising a tubular main body, an actuating member slidably disposed in the main body with the upper end thereof projecting out of the upper end of the main body and having a pressure button thereon, a spring for biasing upwards the actuating member, a spring retainer slidably disposed in the main body and abutting normally with the lower end of the actuating member to transmit the biasing force of the spring to the actuating member, a stop provided on the inner surface of the main body for abutting with the spring retainer in the non-actuated condition of the dispenser, a pawl pivotally connected to the spring retainer, a pawl spring for biasing the pawl in the radially outward direction, a rack shaft slidably provided on a side surface of the main body and having a plurality of rack teeth thereon for engaging with said pawl, a device for preventing the pawl from engaging with the rack shaft when the spring retainer abutting with the stop, a suction button connected to the rack shaft and being slidable along a longitudinal recess in the main body, and a cylinder piston device with the cylinder thereof being releasably connected to the main body and the piston thereof being releasably connected to the lower end of the rack shaft.
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