Patent ID: 7993069

Claim:
A double ball joint device comprising: a housing; a first joint element comprising a first ball, wherein a major portion of said first ball is mounted and retained within said housing and a minor portion of the first ball protrudes from said housing through a first opening thereof, and a first shaft, which is attached to the first ball at said minor portion thereof; a second joint element comprising a second ball, wherein a major portion of said second ball is mounted and retained within said housing and a minor portion of the second ball protrudes from said housing through a second opening thereof, and a second shaft, which is attached to the second ball at said minor portion thereof; a locking washer, which is arranged between said first and second balls and which comprises a first seat for receiving said first ball, and an opposite second seat for receiving said second ball; and an operation member, which is operable between a locked state where it urges said locking washer to clamp lock said first and second joint elements in a current position, and a released state where it releases said locking washer thereby releasing the joint elements, wherein the joint elements are pivotable, at said released state, into a desired position, wherein the operation member, when operated in the locked state, urges said locking washer to an off-centre position.