Stop valve with sturdy handle connection

Details Stop valve with sturdy handle connection Stop valve with sturdy handle connection

1996-06-28

1997-12-09

Fox, John

Valves and valve actuation

Rotary valves

251310, 16121, F16K 500

Patent

active

056951698

ABSTRACT:
A three-piece angle stop valve comprises a valve body (10), a resilient control sleeve (12) and a handle (14), with no separate fastening or sealing element required. The control sleeve has a stem (28) that has annular outer splines (32) and inner grooves (36) and splines (37) surrounding axially center cavity (38). The handle has a central post (40) that intrudes into cavity and has complementary splines (42) that interengage with grooves (36) and splines (37) of stem section. The handle also has an annular mid section (44) with complementary inner splines (46) that interengage with splines (32) on the outer wall of stem section (28) to provide significant increased torque transfer capability to turn the control sleeve within the valve body.

REFERENCES:
patent: 4257575 (1981-03-01), Runyan
patent: 4562994 (1986-01-01), MacDonald
patent: 4609177 (1986-09-01), Turner et al.
patent: 4958802 (1990-09-01), Underwood
patent: 5076540 (1991-12-01), Murphy
patent: 5154396 (1992-10-01), Conley

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