Pump with ring retained floating wrist pins and connecting rods

Details Pump with ring retained floating wrist pins and connecting rods Pump with ring retained floating wrist pins and connecting rods

F - Mech Eng,Light,Heat,Weapons

04

B

103/156, 103/73

F04B 1/00 (2006.01) F04B 1/04 (2006.01) F04B 53/14 (2006.01) F16C 7/02 (2006.01) F16H 21/36 (2006.01) F16J 1/14 (2006.01)

Patent

CA 1227084

PUMP WITH RING RETAINED FLOATING WRIST PINS AND CONNECTING RODS ABSTRACT OF THE DISCLOSURE Improved multi-cylinder pumps wherein a plurality of co-planar positioned connecting rods are radially disposed about a crankshaft and wherein a plurality of generally cylindrical spool-like wrist pins are rotatively coupled to the connecting rods. The improvement comprises an assembly wherein the wrist pins have opposed end regions bordering a smaller diameter central region that contains one or more ring receiving grooves and which wrist pins are mountable in overlapping relation to retainer ring containing grooves formed in the connecting rods. Upon mounting retainer rings in the connecting rod grooves and inserting and rotatively locking the wrist pins in the connecting rods, the connecting rods, wrist pins and retainer rings are integrally locked together in radially extending relation.

465673

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