The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 18, 2000
Filed:
May. 02, 1997
Akiyoshi Ozaki, Shizuoka, JP;
Koito Manufacturing Co., Ltd., Tokyo, JP;
Abstract
A socket (11) for a discharge lamp bulb includes two power supply terminals, and a shielding wall for completely shielding the two power supply terminal from each other when a discharge lamp bulb is not properly seated in the socket (11). In different embodiments the socket (11) includes (FIGS. 2-5) a spring biased reciprocatably mounted cylindrical wall (24) to separate power supply terminals (21, 23), a (FIGS. 6, 7) center contact (21) mounted for reciprocation between a recessed position and an operating position in response to lamp insertion, a (FIGS. 9-14) rotary sliding member (34) or a rotary ring (40) both of which are spring biased to a blocking position and movable to a non-blocking position by lamp insertion into the socket, and a (FIGS. 16, 17) rotationally mounted member (47) having a plate (50) for separating power supply terminal segments (23b, 23c) prior to complete insertion of the lamp.