Foreign

Claim 1

IN COMBINATION, A CHAIN SAW CHAIN COMPRISING, PAIRS OF SPACED SIDE-BY-SIDE CUTTER LINKS HAVING RAKER LINKS PIVOTALLY CONNECTED AT THEIR OPPOSITE ENDS BETWEEN THE ADJACENT ENDS OF ADJACENT PAIRS OF CUTTER LINKS IN STAGGERED RELATION THERETO, A CUTTER TOOTH ON ONE LINK OF EACH PAIR OF CUTTER LINKS ADJACENT ONE END THEREOF AND SET TO THE CORRESPONDING SIDE OF THE CHAIN, A CUTTER TOOTH ON THE THER LINK OF EACH PAIR OF CUTTER LINKS ADJACENT THE OTHER END THEREOF, AND ALSO SET TO THE CORRESPONDING SIDE OF THE CHAIN, A PAIR OF OPPOSITELY SET RAKER TEETH ON EACH OF THE RAKER LINKS, SAID CUTTER AND RAKER TEETH BEING DISPOSED AT APPROXIMATELY EQUALLY SPACED POINTS ALONG SAID CHAIN AND FACING IN THE SAME DIRECTION, A SUPPORT RAIL DEFINING AT LEAST A PORTION OF A CLOSED PATH ABOUT WHICH SAID CHAIN IS ADAPTED TO PASS, SAID RAIL INCLUDING A PAIR OF GENERALLY PARALLEL SIDE GUIDE SURFACES TERMINATING AT ONE EDGE PORTION IN A BEARING SURFACE EXTENDING BETWEEN SAID DISPOSED GENERALLY NORMAL TO SAID GUIDE SURFACES, SAID RAKER LINKS EACH INCLUDING A GENERALLY PLANAR UNDERSURFACE DISPOSED IN SLIDING CONTACTING RELATION WITH SAID BEARING SURFACE AND SAID CUTTER LINKS EACH INCLUDING A PAIR OF DEPENDING LONGITUDINALLY SPACED PROJECTIONS, SAID PROJECTIONS OF EACH PAIR OF CUTTER LINKS SLIDINGLY EMBRACING SAID GUIDING SURFACES, SAID RAKER TEETH BEING SLIGHTLY SHORTER THAN SAID CUTTER TEETH.