Toggle tip extension rivet squeezer: yoke

Claim 1

Ain extension-type tool for riveting rivets disposed within a work region inaccessible to conventional riveting means, comprising in combination, manipulatable means disposed within said work region for engaging a rivet to form the same when manipulated from a first starting position to a second inward squeezing position, operator-controlled means remotely situated with respect to said work region and including a source of pressure operatively connected to said rivet engaging means for manipulating the same when the operator controlled means is set in operation by the operator, and a spring bias means for returning said manipulatable means to said first position when riveting cycle is complete, wherein a deep jaw U-frame supports at its open end an anvil and die, said anvil and die being disposed on the spaced jaws thereof and within said work region, said die being slidably mounted on the jaw individual thereto for movement toward and away from said anvil, a bellcrank block mounted pivotally on the die jaw and having one end operatively engaged with the die, said source of pressure comprising an air gun mounted on the jaw frame and operatively disposed between the air gun and other end of said block to pivot the same when the air gun is operated.