Stacking apparatus having yieldable feed means

Claim 1

IN A CONVEYOR BELT MECHANISM FOR FEEDING ARTICLES ENGAGED BETWEEN ADJACENT COMPANION REACHES OF A PAIR OF BELTS THE IMPROVEMENT IN MOUNTING ONE OF SAID BELTS RELATIVE TO THE OTHER SAID IMPROVEMENT COMPRISING A FIRST FRAME MOUNTING A FIRST BELT AND A SECOND FRAME MOUNTING A SECOND BELT, SAID FRAMES CONNECTED TOGETHER SO THAT SAID BELTS MAY ENGAGE AN ARTICLE WHEN RESPOSING THEREBETWEEN, SAID CONNECTION COMPRISING A SINGLE PAIR OF OPPOSITE PARALLEL LINK MEMBERS HAVING EACH END THEREOF PIVOTALLY CONNECTED TO THE SIDES OF SAID FRAME RESPECTIVELY, THE SAID PIVOTAL CONNECTIONS TO SAID FIRST FRAMES BEING SPACED LONGITUDINALLY OF SAID FRAMES FROM THE SAID PIVOTAL CONNECTIONS TO SAID SECOND FRAME WHEREBY SAID LINK MEMBERS ASSUME ON OBLIQUE POSITION TO THE PARTING LINE BETWEEN SAID FRAMES WHEN SAID FRAMES ARE IN A GENERALLY NONSEPARATED POSITION, SAID CONNECTION ALLOWING SEPARATION OF SAID FRAMES AT A FIRST END WITHOUT NECESSARILY EFFECTING SEPARATION OF SAID FRAMES AT THE OTHER END WHEN AN ARTICLE IS ENGAGED BETWEEN SAID REACHES ADJACENT SAID FIRST END, AND YIELDABLE BIASING MEANS TO URGE SAID FRAMES TOWARD EACH OTHER.