Device for preventing permanent entrapment
First Claim
1. Device for preventing permanent entrapment that includes,a hollow cylindrical body with internally threaded inlet and outlet port for installation in a suction line, a cylindrical wall chamber contained in said body, a hollow cylindrical entrapper member which communicates with inlet and outlet ports when open, with grooves on said member, contained in said chamber, said chamber contains entrappee member with complementary sealing member which moves axially through said chamber, a guide cover member closed tight and secured by fastening means to said chamber, a shaft member which has a locking groove and moves through said guide cover member, connected to said entrappee member, a spring means connected to said shaft, acting against said guide cover, a locking member connected by fastening means to said guide cover, said locking member, locking said entrappee member by means of said locking groove.
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Abstract
Device for preventing permanent entrapment that includes a hollow cylindrical body for installation in a suction line. A cylindrical chamber contained in body. A hollow entrappee member with grooves. Chamber contains entrappee member with sealing member, which moves through chamber. A guide cover member wherein a shaft has locking groove and move entrappee member. A spring acting against guide cover, connected to shaft by an adjustable collar. Require locking member to be reset from locking groove. Allowing entrappee member to move back to open position.
65 Citations
1 Claim
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1. Device for preventing permanent entrapment that includes,
a hollow cylindrical body with internally threaded inlet and outlet port for installation in a suction line, a cylindrical wall chamber contained in said body, a hollow cylindrical entrapper member which communicates with inlet and outlet ports when open, with grooves on said member, contained in said chamber, said chamber contains entrappee member with complementary sealing member which moves axially through said chamber, a guide cover member closed tight and secured by fastening means to said chamber, a shaft member which has a locking groove and moves through said guide cover member, connected to said entrappee member, a spring means connected to said shaft, acting against said guide cover, a locking member connected by fastening means to said guide cover, said locking member, locking said entrappee member by means of said locking groove.
Specification
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Current AssigneeEnrique Acosta
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Original AssigneeEnrique Acosta
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InventorsAcosta, Enrique
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Primary Examiner(s)Rivell, John
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Assistant Examiner(s)Krishnamurthy, Ramesh
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Application NumberUS09/628,777Time in Patent Office633 DaysField of Search450/4, 450/7, 450/9, 454/12, 137/509, 137/517, 137/526, 137/907, 210/136, 210/139US Class Current137/509CPC Class CodesE04H 4/1236 Bottom drainsF16K 17/164 and remaining closed after ...Y10S 137/907 Vacuum-actuated valvesY10T 137/7835 Valve seating in direction ...Y10T 137/7869 Biased openY10T 137/7897 Vacuum relief type
