Assembly for in-line valve actuation and indication

Details Assembly for in-line valve actuation and indication Assembly for in-line valve actuation and indication

2007-01-09

2007-01-09

Rivell, John (Department: 3753)

Fluid handling

With indicator, register, recorder, alarm or inspection means

Position or extent of motion indicator

C251S294000, C074S089200

Reexamination Certificate

active

10335590

ABSTRACT:
An improved assembly for use in an in-line starter valve. A flexible material system in the form of a flexible belt is used to translate motion from a manually operable wrench shaft to a piston rod in order to render an in-line starter valve to a closed, partially opened, or an extreme opened position. When the wrench shaft is manually rotated, tension is imparted on the flexible band which, in turn, translates tension to a piston rod which then travels longitudinally resulting in the opening or closing of the in-line starter valve. An index mark on a handle of the wrench shaft indicates the closed, partially opened, or extreme opened position of the in-line starter valve. The use of the flexible belt affords greater durability, less weight, and less costly production than the prior art assemblies.

REFERENCES:
patent: 492192 (1893-02-01), Creque
patent: 867605 (1907-10-01), Rothe
patent: 1246848 (1917-11-01), Berry
patent: 2233717 (1941-03-01), Shogran
patent: 3488098 (1970-01-01), Sobczak
patent: 3521499 (1970-07-01), Keith
patent: 3596673 (1971-08-01), Laucournet
patent: 4161004 (1979-07-01), Dalziel
patent: 4353262 (1982-10-01), Talbot
patent: 4442046 (1984-04-01), Edmonston

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