Fluid sprayer attachment

摘要

An attachment for a fluid sprayer comprises a main flow passage, a quick disconnect portion that facilitates connection of the attachment to a first flow constrictor providing flow at a first pressure and a second flow constrictor between the main flow passage and the quick disconnect portion. The second flow constrictor provides flow at a second pressure less than the first pressure.

主权项

1. An apparatus comprising:
an attachment for a fluid sprayer, the attachment comprising: a main flow passage; a quick disconnect portion to facilitate connection of a supplemental attachment having a first flow constrictor, the first flow constrictor providing a first pressure drop; and a second flow constrictor located so as to be between the main flow passage and the first flow constrictor, the second flow constrictor providing a second pressure drop less than the first pressure drop, wherein the quick disconnect portion comprises: a tubular portion being integrally formed as a single unitary body with the second flow constrictor; a plurality of circumferentially arranged openings in the tubular portion; balls within the openings, the balls being resiliently biased to positions in which the balls project into the tubular portion; and a collar slidable between a releasing positioned withdrawn from the balls and a retaining position in which a collar overlies the balls, the collar being resiliently biased towards the retaining position.