Wiring device and securing means therefor

Claim 1

A WIRING DEVICE COMPRISING ELONGATED UPPER AND LOWER INSULATIVE HOUSING MEMBERS, A SUBSTANTIALLY FLAT ELONGATED YOKE ADAPTED TO BE FREELY LOCATED LONGITUDINALLY OF AND ON THE UNDERSURFACE OF SAID UPPER MEMBER, SAID YOKE HAVING AT LEAST ONE LATERALLY EXTENDING TAB DISPOSED SUBSTANTIALLY CENTRALLY OF THE LONGITUDINAL DIMENSION OF SAID YOKE, AT LEAST ONE SECURING MEANS EXTENDING DOWNWARDLY FROM THE UNDERSURFACE OF SAID UPPER MEMBER AND HAVING AN EXTENDING PORTION THEREON SPACED A DISTANCE APPROXIMATELY THE THICKNESS OF SAID YOKE FROM THE PLANE OF SAID UNDERSURFACE, SAID EXTENDING PORTION AND SAID TAB BEING SUBSTANTIALLY IN ALIGNMENT IN THE YOKE LONGITUDINAL DIRECTION, SAID TAB BEING LOCATED ABOVE SAID EXTENDING PORTION WHEN SAID YOKE IS MOVED TOWARD SAID EXTENDING PORTION IN THE YOKE LONGITUDINAL DIRECTION SO THAT SAID YOKE IS HELD AGAINST SAID UPPER MEMBER, AND MEANS FOR HOLDING SAID LOWER MEMBER AGAINST SAID YOKE AND SAID UPPER MEMBER AND FOR PREVENTING DISENGAGING LONGITUDINAL MOVEMENT BETWEEN SAID YOKE AND SAID UPPER MEMBER SO AS TO PROVIDE SAID WIRING DEVICE IN ASSEMBLED FORM, SAID HOLDING AND PREVENTING MEANS INCLUDING A DEFORMABLE TAB INTEGRAL WITH AND EXTENDING SUBSTANTIALLY TRANSVERSELY OF SAID YOKE AND SAID LOWER MEMBER AND BENDABLE ENGAGEABLY OVER AN OUTWARDLY FACING PORTION OF SAID LOWER MEMBER.