Replaceable headlamp assembly

Claim 1

A replaceable headlamp assembly for holding a mounting portion of a replaceable bulb in position at a bulb socket by rotating a locking member relative to the bulb socket, comprising: a bulb socket formed at a rear portion of a reflector, said bulb socket having a bulb mount at an inner wall thereof for receiving a mounting portion of replaceable bulb, said bulb socket having at least one key extending outwardly from an outer wall thereof; and a substantially cylindrical locking member including a member having an opening therein for permitting said mounting portion of said bulb to pass therethrough, means for lockingly engaging said mounting portion of said bulb, and at least one key retainer means facing inwardly from an inner wall of said locking member for engagement with a respective one of said at least one key of said bulb socket; each of said key retainer means comprising: a substantially cylindrical wall section, and a resilient section formed in said substantially cylindrical wall section, said resilient section being engageable with a respective one of said at least one key of said bulb socket and being resiliently deformable responsive to engagement with said respective at least one key for snapping over said at least one key for lockingly engaging said locking member with said bulb socket such that said locking member is rotatable relative to said bulb socket over a given range, said bulb socket and said locking member being thereby integrally assembled together with said locking member being rotatable relative to said bulb socket between a bulb setting and removing position at which a bulb can be set or replaced, and a bulb fixing position at which a bulb is fixed to said bulb socket by said locking member.