Base for a three-way lamp

A lamp comprising:

• an envelope formed of a light transmissive material;
• an externally threaded, electrically conductive shell sealed to and extending outward along a longitudinal axis from the envelope;
• a generally annular contact member located within a base connected to the shell axially spaced from the shell, the contact member having a first planar surface over a major portion thereof and a lead wire opening axially spaced from the first planar surface and disposed on a second planar surface, the contact member having a rim in the second planar surface along its outer periphery wherein the rim and lead wire opening are substantially coplanar;
• an eyelet connected to said base on a side opposite the shell and axially spaced therefrom and electrically insulated from both the shell and contact member;
• first and second filaments received in the envelope;
• and
• first, second, and third lead wires respectively electrically connecting the filaments to the shell, contact member, and eyelet to provide three levels of illumination.

A lamp comprising:

• an envelope formed of a light transmissive material;
• an externally threaded, electrically conductive shell sealed to and extending outward along a longitudinal axis from the envelope;
• a generally annular contact member located within a base connected to the shell axially spaced from the shell, the contact member having a first planar surface over a major portion thereof and a lead wire opening axially spaced from the first planar surface and disposed on a second planar surface, the contact member having a rim in the second planar surface along its outer periphery wherein the rim and the second planar surface are interconnected by an angled wall that is non-perpendicular to both the rim and the second planar surface;
• an eyelet connected to said base on a side opposite the shell and axially spaced therefrom and electrically insulated from both the shell and contact member;
• first and second filaments received in the envelope;
• and
• first, second, and third lead wires respectively electrically connecting the filaments to the shell, contact member, and eyelet to provide three levels of illumination.