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Claim 1

A TERMINAL BUSHING HAVING A LONGITUDINAL AXIS AND A PERIPHERAL WALL EXTENDING IN THE DIRECTION OF SAID AXIS, A MOUNTING FLANGE DISPOSED TRANSVERSELY OF SAID AXIS AT ONE END OF SAID WALL, AN ELONGATED WELL PORTION EXTENDING LONGITUDINALLY OF SAID BUSHING WITHIN SAID FLANGE, SAID WELL PORTION HAVING A BOTTOM WALL AND OPPOSITELY DISPOSED LONGITUDINAL WALLS SPACED FROM PORTIONS OF SAID PERIPHERAL WALL AND HAVING A RECTANGULAR TRANSVERSE CROSS SECTION, SAID BOTTOM WALL CONTAINING A NARROW RECTANGULAR OPENING, SAID PERIPHERAL WALL CONTAINING SLOTS DEFINING OPPOSITELY DISPOSED FLEXIBLE FINGERS SPACED FROM SAID FLANGE, FROM SAID WELL PORTION AND FROM PORTIONS OF SAID PERIPHERAL WALL, SAID FINGERS HAVING STEPPED PORTIONS DISPOSED OPPOSITE SAID FLANGE FOR ENGAGEMENT WITH A PANEL RECEIVED BETWEEN SAID FLANGE AND FINGERS, A FLAT TERMINAL OF RECTANGULAR CROSS SECTION EXTENDING THROUGH SAID NARROW RECTANGULAR OPENING HAVING ONE END TERMINATING IN SAID WELL PORTION AND AN OPPOSITE END PROJECTING LONGITUDINALLY BEYOND SAID BUSHING, SAID TERMINAL HAVING OPPOSITELY DISPOSED SHOULDERS ENGAGING A SURFACE OF SAID BOTTOM WALL AND A LUG ENGAGING AN OPPOSED SURFACE OF SAID BOTTOM WALL.