| CPC F04B 15/02 (2013.01) [B05C 5/0237 (2013.01); B05C 11/1031 (2013.01); B05D 1/26 (2013.01); F04B 53/16 (2013.01); F04B 9/10 (2013.01)] | 18 Claims |
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1. A liquid delivery system comprising:
a reciprocating drive;
a liquid cylinder comprising a liquid piston, operably driven by the reciprocating drive, to pump a liquid along a flow path to a liquid applicator; and
a coupler configured to couple the liquid piston to the reciprocating drive, the coupler comprising:
a plurality of collar elements; and
a biasing member configured to apply a biasing force on the plurality of collar elements to retain the plurality of collar elements in a position that forms a collar that couples the liquid piston to the reciprocating drive, wherein the biasing member comprises an elastic member; and
a sheath configured to overlay the plurality of collar elements and the biasing member, wherein at least one collar element, of the plurality of collar elements, comprises a channel configured to receive the elastic member, and wherein the sheath is movable from a first position in which the sheath overlays the plurality of collar elements and the biasing member to a second position in which the sheath is spaced apart from the plurality of collar elements while the biasing member remains disposed in the channel.
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