Патент USA US2413059код для вставки
vDec. 24, 1946. R c. LUEDTKE - 2,413,059 PISTON AND CONNECTING ROD THEREOF Filed Aug. 3, 1944 2/ 35am 151607119, Patented Dec. 24, 1946 2,413,059 UNITED STATES PATEUNT‘ OFFICE 2,413,059 PISTON AND CONNECTING ROD THEREOF ' Richard C. Luedtke, Glen Burnie, Md. Application August 3, 1944, Serial No. 547,901 1 1 Claim. (Cl. 309—19) 2 This invention relates to pistons and connect ing a washer I8 is threaded on the rod and en ing rods for engines and the primary object of gages the section I 3 to maintain the section l3 the invention is to permit the piston carrying the assembled on the section M of the bearing I2. rings and its wrist pin to be removed from the engine after the removal of the cylinder head of C1 This construction arranges the nut l1 uppermost within the piston as clearly shown in Figures 1 the latter, eliminating the necessity of removing and 2. the crank case and the disconnecting of the con The head 8 of the piston 5 is provided in the top necting rod from the crank shaft, or the connect wall thereof with an elongated opening through ing rod may be removed after the removal of the crank case without removing the piston from the 10 which the nut I‘! may be reached for the appli cation and removal thereof from the rod l5. cylinder and disturbing the rings thereof, conse Opposite walls of the opening are beveled as quently providing a large saving in time and labor shown at l9 and a closure plate 20 having cor in the servicing or repairing of the engine. respondingly beveled edges normally closes the With these and other objects in view as will be come more apparent as the description proceeds, 15 opening, being secured in place by said screws 2! threaded into screw threaded sockets 22 provided the'invention consists of certain novel features in the piston 5. ‘ of construction, combination and arrangement of When a piston and a connecting rod of the parts as will be hereinafter more fully described characters heretofore described and shown in the and claimed. For a complete understanding of my invention, 20 drawing is employed in an engine, the piston can be removed from the cylinder of the engine after reference is to be had to the following description the cylinder head has been removed without dis and accompanying drawing, in which: connecting the connecting rod 6 from the usual Figure 1 is a vertical sectional view illustrating crank shaft of the engine. This is accomplished the piston and a fragmentary portion of its con by removing the said screws 2| of the closure necting rod and constructed in accordance with plate 20 and removing the nut l 7 from the rod [5. my invention; After this has been accomplished, the section l3 Figure 2 is a sectional view similar to Figure 1 and the bearing I2 can be lifted off. The piston taken at right angles to the showing made in Fig may then be withdrawn from the cylinder along ure 1 ; with the wrist pin II and the rings within the Figure 3 is a top plan view illustrating the pis ring grooves 9 so that necessary repairs either ton. ‘ to the wrist pin, or rings can be made and the de Referring in detail to the drawing, the numeral vice reassembled in the engine within a compara 5 indicates the piston and 6 the connecting rod tively short period of time. Should it be desired therefor. The skirt of the piston is indicated by to remove the connecting rod 6 from the engine the character 7 and the head by the character 8. without disturbing the piston within the cylinder, The skirt of the piston just below the head 8 is this can be accomplished after the removal of the provided with the usual ring grooves 9 and just crank case and the cylinder head of the engine below the ring grooves the skirt 1 has opposed and detaching the bearing l2 from the wrist pin. wrist pin bearing openings It] in which is jour naled the wrist pin H. The conventional bush 40 When the connecting rod has been removed as before stated and the piston remaining in the cyl ings may be arranged between the walls of the inder of the engine, any possibility of the rings bearing openings H1 and the wrist pin if desired. being disturbed is eliminated which is very desir Internally, the skirt 1 is built up or increased in able. From the foregoing, it can readily be seen thickness for the bearing openings in and also that through the construction of the piston and for contacting opposite ends of a bearing I 2 of the connecting rod, many hours can be saved in the connecting rod 6 to prevent endwise move servicing an engine. ment of the wrist pin I I in its bearings. While I have shown and described the preferred The hearing I 2 of the connecting rod 6 is of embodiment of my invention, it will be under the capped sectional type, the sections being indi cated by the characters i3 and M. The section 50 stood that minor changes in construction, combi nation and arrangement of parts may be made It forms an integral part of the connecting rod without departing from the spirit and scope of 6 while the section I 3 is held in place by a rod l5 the invention as claimed. extending through the section l3, wrist pin II Having thus described my invention, what I and threaded into a screw threaded socket l6 claim is: formed in the connecting rod. A nut H includ 55 In a piston and connecting rod construction, a 2,413,059 a piston having a head and a skirt integral there with, said piston having aligned wrist pin open ings therein intermediate said head and skirt, a wrist pin seated in said openings, a connecting rod extending into said skirt of the piston, a 5 bearing on the end of said rod, said bear ing receiving said wrist pin, said bearing com~~ prising two mating sections, one of said sections being integral with said connectingrod and the other of said sections being detachable from the rod, said detachable section and wrist pin hav 4 ing aligned openings registering with a screw socket arranged axially of said connecting rod in the end of said connecting rod, and a rod screw threaded at each end and passing through said openings diametrically of a- cross section of said wrist pin, and said screw-threaded rod having one of its ends passing into said screw socket, and the other end carrying a nut which bears against .said detachablesectionior holding said section in ‘position against said wrist pin. v RICHARD C. LUEDTKE.