Electrical connectors – With coupling movement-actuating means or retaining means in... – Bayonet coupling part movable about its axis
Patent
1995-11-06
1997-09-02
Bradley, P. Austin
Electrical connectors
With coupling movement-actuating means or retaining means in...
Bayonet coupling part movable about its axis
H01R 450
Patent
active
056624905
ABSTRACT:
An object of the invention is to provide a light bulb socket that prevents the erroneous insertion of a light bulb. A light bulb socket has contactor inserting slits 15 and 16 with their inlets 15a and 16a at the edge of the opening of a bulb engaging section 12, and bulb inserting grooves 31. The inlets 31a of bulb inserting grooves 31 have smaller heights than the inlets 15a and 16a of the contactor inserting slits 15 and 16. The edge of the opening of the bulb inserting section slopes from each of the inlets 15a and 16a down to the inlets 31a, thus providing guide surfaces 36. The light bulb is connected to the bulb socket by turning it clockwise and counterclockwise with its base inserted into the bulb engaging section 12. Even if, in this operation, locking pins 6 protruded from the bulb base are located near the inlets 15a and 16a of the contactor inserting slits 15 and 16, they are not focused into the inlets 15a and 16a, and instead are slid down the guide surfaces 36, because the edge of the opening of the bulb engaging section 12 slopes from each of the inlets 15a and 16a down to the inlets 31a. When, under this condition, the light bulb 1 is pushed into the bulb socket S, the pins 6 are led along the guide surfaces 36 to the inlets 31a of the bulb inserting grooves 31.
REFERENCES:
patent: 5320553 (1994-06-01), Ogawa
Bradley P. Austin
Kim Yong
Sumitomo Wiring Systems Ltd.
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