Fuel pump adjusters

Claim 1

IN A FUEL PUMP STRUCTURE FOR AN INTERNAL COMBUSTION ENGINE HAVING A SUBSTANTIALLY UPRIGHT WALL PROVIDED WITH TWO HORIZONTALLY SPACED THREADED HOLES THEREIN AND A PASSAGE THERETHROUGH POSITIONED INTERMEDIATE SAID HOLES, A FUEL PUMP HOUSING HAVING A SUBSTANTIALLY HORIZONTALDIAPHRAGM THEREIN, A VERTICALLY MOVABLE ROCKER ARM AND MEANS CONNECTING ONE END OF THE ROCKER ARM WITH THE DIAPHRAGM FOR RECIPROCATING THE DIAPHRAGM UPON ROCKING OF THE ROCKER ARM, AN ENGINE-CAM-OPERATED MEMBER POSITIONED IN THE ENGINE ADJACENT SAID PASSAGE AND OPERATIVELY ENGAGING THE OTHER END OF SAID ROCKER ARM TO ROCK THE ROCKER ARM, A SUBSTANTIALLY UPRIGHT FLANGE ON ONE END OF THE PUMP HOUSING HAVING LONGITUDINAL SIDE EDGES LYING IN PARALLEL PLANES AT RIGHT ANGLES TO THE FLANGE AND HAVING TWO HORIZONTALLY SPACED LONGITUDINAL SLOTS THERETHROUGH PARALLEL TO SAID SIDE EDGES AND A PASSAGE THERETHROUGH INTERMEDIATE THE SLOTS, THE SLOTS HAVING A WIDTH EQUAL TO THE DIAMETER OF SAID HOLES, THE DISTANCE BETWEEN SAID SLOTS BEING EQUAL TO THE DISTANCE BETWEEN SAID HOLES, SAID FLANGE BEING ADAPTED TO BE SLIDABLY MOUNTED ON SAID WALL WITH SAID HOLES ALIGNED WITH THE SLOTS AND WITH SAID PASSAGE MUTUALLY ALIGNED AT LEAST IN PART ADAPTED TO HAVE SCREW BOLTS EXTENDING THROUGH SAID SLOTS AND THREADED INTO SAID HOLES TO SECURE THE PUMP HOUSING TO SAID WALL, THE IMPROVEMENT CONSISTING IN THE PROVISION OF GUIDE MEANS FOR SAID FLANGE ON SAID WALL IN THE FORM OF AT LEAST TWO SPACED RIDGES LYING IN PARALLEL PLANES AT RIGHT ANGLES TO SAID WALL, THE OPPOSED INNER SURFACES OF SAID RIDGES EXTENDING AT RIGHT ANGLES TO SAID WALL AND BEING SPACED APART AT A DISTANCE EQUAL TO THE WIDTH OF SAID FLANGE AND BEING SPACED EQUIDISTANTLY FROM SAID FIRST-NAMED PASSAGE AND HAVING THE SPACE BETWEEN SAID RIDGES UNOBSTRUCTED, WHENCE, SAID FLANGE THEREBY BEING INSERTABLE INTO POSITION AGAINST SAID WALL BETWEEN SAID RIDGES BY MOVING THE FLANGE IN A DIRECTION AT RIGHT ANGLES TO SAID WALL, SAID FLANGE WHEN SECURED TO THE WALL BY SAID SCREW BOLTS NESTING BETWEEN SAID RIDGES AND BEING CONSTRAINED FROM ROTATIONAL MOVEMENT IN THE PLANE OF THE FLANGE.