Patent ID: 9091347
Filing Date: 2015-07-28
Classification: F16J,Y10T

Abstract:
1. A cap for a cell, comprising: a base; a top engaging the base and moveable relative to the base; a connector arranged between the base and the top and moveable relative to one of the base and the top; one or more wings movably disposed between the base and the top, each wing having a first portion engaging the connector and a second portion engageable with the cell, wherein the one or more wings comprise a fulcrum between the first portion and the second portion; and a lock lying in a first position when pressure within the cell exceeds pressure outside the cell to prevent relative movement between the base and the top, and lying in a second position when pressure within the cell does not exceed pressure outside the cell to allow relative movement between the base and the top, wherein relative movement between the base and the top causes the connector to move the first portion of each wing, thereby causing the second portion of each wing to move, and wherein relative movement between the base and the top causes the first portion of the one or more wings to rotate about the fulcrum in a first direction, which, in turn, causes the second portion of the wing to also rotate about the fulcrum.