Pressure-locked coupling
First Claim
1. A coupling for transporting a fluid medium comprising a coupler and a nipple moveable between coupled and uncoupled positions, first wall means defining a first fluid passage through said coupler, second wall means defining a second fluid passage through said nipple, first detents acting between said coupler and said nipple to hold same together in said coupled position, a locking retainer in said coupler having first and second end portions and moveable between lock and unlock positions, said first end portion of said retainer being exposed to fluid pressure when present in said coupler tending to move said retainer to lock position, means acting between said second end portion of said retainer and said first detents whereby when said retainer is moved to lock position said first detents are locked in position to hold said coupler and nipple together.
5 Assignments
0 Petitions
Accused Products
Abstract
A pressure-locked coupling including a coupler and nipple, said coupler having a locking means which locks the nipple to said coupler in response to pressure applied to said coupler. A locking sleeve is employed having various locking diametrical surfaces and locking shoulders to secure said nipple to said coupler.
48 Citations
19 Claims
- 1. A coupling for transporting a fluid medium comprising a coupler and a nipple moveable between coupled and uncoupled positions, first wall means defining a first fluid passage through said coupler, second wall means defining a second fluid passage through said nipple, first detents acting between said coupler and said nipple to hold same together in said coupled position, a locking retainer in said coupler having first and second end portions and moveable between lock and unlock positions, said first end portion of said retainer being exposed to fluid pressure when present in said coupler tending to move said retainer to lock position, means acting between said second end portion of said retainer and said first detents whereby when said retainer is moved to lock position said first detents are locked in position to hold said coupler and nipple together.
- 9. A coupling comprising a coupler, said coupler including an adaptor, a coupler body, a coupler valve, a retainer, a sliding sleeve, a locking means, and a locking sleeve, said body affixed to said adaptor, said retainer disposed between said coupler valve, said adaptor, said sliding sleeve and said body, a nipple, said nipple engaging said sliding sleeve of said coupler, said locking means engaging said sliding sleeve, said nipple, and said locking sleeve preventing separation of said coupler and said nipple.
Specification