| 摘要 |
14 The trigger operated pumping mechanism (49) comprises a body (14), a cylinder (48) in the body of a dispensing device (10); a piston (42) received in the cylinder (48); a trigger (32) movably mounted to the body (14) and having a front side and back side (415), and being coupled to piston (42); and a non-metal biasing mechanism (40) for biasing the trigger (32) away from the body (14) to bias the piston (42) coupled to the trigger (32) out of the cylinder (48), the biasing mechanism (40) including a non-coiled, elongate, generally flat, spring mechanism (40,640) having opposite ends (410 or 642; 414 or 644) and being positioned between the body (14) and the trigger (32).
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