Patent ID: 8794895

Claim:
Decompression seal ( 1 ) for connecting components ( 3 , 4 , 5 ) having openings ( 2 ) aligned with one another, which opens when a certain previously defined pressure is exceeded, comprising: a retaining bolt arrangement ( 6 ); a bolt head ( 7 ) integral with a shaft ( 12 ); said retaining bolt arrangement ( 6 ) being aligned axially with said bolt head ( 7 ) and said shaft ( 12 ); a releasable locking arrangement ( 10 ), said releasable locking arrangement includes a locking head ( 8 ) and a leaf spring ( 9 ); said openings ( 2 ) in said connecting components ( 3 , 4 , 5 ) having a first diameter, said locking head ( 8 ) having a second diameter, said first diameter of said openings ( 2 ) in said connecting components ( 3 , 4 , 5 ) being larger than said second diameter of said locking head ( 8 ); said retaining bolt arrangement ( 6 ) resides partially within said openings ( 2 ) in said lower connecting component ( 3 ), said middle connecting component ( 4 ) and said upper connecting component ( 5 ), said bolt head ( 7 ) engages said lower component ( 3 ); said retaining bolt arrangement ( 6 ) projects from said upper connecting component ( 5 ), said retaining bolt arrangement ( 6 ) interconnected with said locking head ( 8 ) of said releasable locking arrangement; said leaf spring ( 9 ) of said releasable locking arrangement ( 10 ) connected with said upper component ( 5 ); said lower connecting component ( 3 ), said middle connecting component ( 4 ) and said upper connecting component ( 5 ) reside between said bolt head ( 7 ) and said locking arrangement ( 10 ); said locking head ( 8 ) of said releasable locking arrangement ( 10 ) projects from said upper component ( 5 ) and includes a first recess ( 8 - 1 ) and a second recess ( 8 - 2 ); said leaf spring ( 9 ) includes a spring-loaded first end portion ( 9 - 3 ) and a spring-loaded second end portion ( 9 - 4 ); said first recess ( 8 - 1 ) of said locking head engages said spring-loaded first end portion ( 9 - 3 ) of said leaf spring of said locking arrangement ( 10 ) and said second recess ( 8 - 2 ) of said locking head engages said spring-loaded second end portion ( 9 - 4 ) of said leaf spring of said locking arrangement ( 10 ), said engagement of said locking head ( 8 ) and said leaf spring ( 9 ) defines a retaining position; said retaining bolt arrangement ( 6 ) is pushed axially in direction (R) of said bolt head ( 7 ) releasing said locking head ( 8 ) from said leaf spring ( 9 ) and from said retaining position, and said bolt head 8 enters said openings 2 ; said retaining bolt arrangement includes a shaft ( 11 ) integral with said locking head ( 8 ); and, said retaining bolt arrangement ( 6 ) includes a sleeve ( 13 ) encompassing said shafts ( 11 , 12 ), said shaft ( 11 ) includes an exterior ridge ( 11 - 1 ), said sleeve ( 13 ) includes an inner groove ( 13 - 1 ), said ridge of said shaft ( 11 ) interfits said groove ( 13 - 1 ) of said sleeve, and, said shaft ( 11 ) being axially movable in direction R.