LATCH PIN ASSEMBLY; ROCKER ARM ARRANGEMENT USING LATCH PIN ASSEMBLY; AND ASSEMBLING METHODS

摘要

A rocker arm for engaging a cam in a valve actuation arrangement includes a latch pin assembly having includes a latch pin, retainer, and biasing mechanism. The latch pin has a pin body with a head and a tail at the second end; the body defining an open volume; the tail having an open mouth in communication with the open volume of the body; and the open volume having a non-circular cross-section. The retainer has a male engagement portion and an outer portion. The male engagement portion is within the open volume of the body through the open mouth. The male engagement portion has a non-circular cross section. The outer portion is non-removably secured to an outer arm of the rocker arm. The biasing mechanism is oriented in the open volume of the body and between and against the latch pin and the retainer.

主权项

1. A latch pin assembly for a rocker arm in a valve actuation arrangement; the latch pin assembly comprising:
(a) a latch pin having a pin body with first and second opposite ends; an arm engaging head at the first end; and a retainer engaging tail at the second end;
(i) the body defining an open volume;(ii) the tail having an open mouth in communication with the open volume of the body;
(A) the open volume has a non-circular cross-section; (b) a retainer having a male engagement portion;
(i) the male engagement portion being received within the open volume of the body through the open mouth;
(A) the male engagement portion having a non-circular cross-section; and (c) a biasing mechanism oriented in the open volume of the body and being between and against the latch pin and the retainer.