Patent ID: 6030006
Filing Date: 2000-02-29
Classification: F16L,Y10T

Abstract:
A clamp device for a flanged connection, comprising:a plurality of arcuate segments containing a first arcuate segment and a last arcuate segment, wherein said plurality of arcuate segments are joined together by at least one first pivot that enables said plurality of arcuate segments to be manipulated between an open condition and a closed condition, whereby said plurality of arcuate segments form an annular structure when in said closed condition;a rocking bolt coupled to said last arcuate segment at a second pivot, wherein said rocking bolt is positionable around said second pivot in a range between a first position and a second position;a slot defined in said first arcuate segment, wherein said slot receives at least part of said rocking bolt therein when said rocking bolt is at said first position and said plurality of arcuate segments are in said closed condition;a torsion string disposed at each said first pivot, wherein each torsion spring that has a first arm that engages one of said plurality of arcuate segments and a second arm that engages a second of said plurality of arcuate segments and biases the arcuate segments into said closed condition; andat least one second spring element disposed proximate said second pivot for biasing said rocking bolt into said first position.