Method of coupling component parts of power tool with mating parts having respectively spigot with recess(es) and receiving portion with chamfered rib(s)

摘要

A method of coupling two component parts of a power tool (10); the first component part having a mounting spigot with at least one channel form therein and a generally cylindrical projection formed on the mounting spigot, the generally cylindrical projection including a side wall having a chamfered edge and wherein the side wall includes at least one channel parallel to the axis of the generally cylindrical member. The second component part having a spigot-receiving portion including at least one rib co-operable with the at least one channel formed in the mounting spigot, and a generally cylindrical housing member co-operable with the generally cylindrical projection of the first component part, the spigot receiving portion including at least one further rib co-operable with the at least one channel ion the side wall of the first component part, the second component part further including a detent, the method comprising the steps of: a) Aligning the at least one channel in the mounting spigot with the at least one co-operable rib on the spigot receiving portion; b) Coupling the housing member with the cylindrical projection; c) Engaging the further at least one rib of the spigot-receiving portion with the at least one channel of the side wall; and d) Urging the chamfered edge past the detent.