Assertion: said piston valve | /r/HasProperty | disposed in said piston
Facets:
value: with its top coil
type: MANNER
Source sentences:
text: Ill rally rotatable piston valve with suitable air passages and ports cooperating with the said cylinder, a bottom head therefor with air passage therethrough with annular spring seat, and a central pad seat with cushion pad therein, an inverted conical spiral spring con nected to react longitudinally and spirally on said piston valve disposed in said piston with its top coil expanded into engaging contact therewith, anadjustable base for the bottom of said spring having a projecting hub frictionally embraced by the bottom coil of said spring, and a screw threaded support for the said base, a cup spring seat at the top of said support, a short coiled buffer spring therein, and a lock nut for said screw threaded support.
text: In a piston valve structure, the combination of a cylinder with suitable connections for direct air delivery and with a diversion loop tube connected thereto, a spirally rotatable piston valve with suitable air passages and ports cooperating with the said cylinder, an inverted conical spiral spring connected to react longitudinally and spirally on said piston valve disposed in said piston and with its top coil expanded into engaging contact therewith, and a base for the bottom of said spring having a project ing hub frictionally embraced by the bottom coil