cigaret lighter made from shells

1 ANSWERS

1. paafamily
   

   The present invention relates to clamp shells for securingcigar lighter sockets to motor vehicle panels such as dashboards.
   
   As is well known in the art, cigar lighter sockets are normally secured to motor vehicle panels such as dashboards by means of clamp shells. The cigar lighter socket is positioned in an opening in the dashboard and then a clamp shell is securedto the cigar lighter socket from behind the dashboard. The cigar lighter socket normally has external threads which engage internal threads of the clamp shells. In usual manufacturing operations, the cigar lighter socket is rotated by a mechanicaldevice in the opening in the dashboard and the clamp shell is manually fitted over it from the rear. When the threads engage, the clamp shell is moved against the dashboard until a tight fit is obtained.
   
   Due to the position of the assembly worker in relation to the dashboard and the rapidity of the assembly line, it is very difficult to accurately align the corresponding threads of the cigar lighter socket and the clamp shell. As a result ofthis, it is possible for the threads to jam which can result in injury to the assembly worker if the clamp shell is caused to rotate rapidly in his hand due to misalignment and resultant "cross-threading." Another problem which can result from onlypartial engagement of the thread is that the clamp shell will not be fully pressed home against the rear of the dashboard or other panel and the resultant loose assembly must be repaired at a later point in the assembly process. The need for suchcorrections is highly undesirable because of the disproportionate expense involved in interruption of the assembly process and man time to correct the problem.
   
   In accordance with the present invention, these problems of affixing cigar lighter sockets to dashboards with clamp shells are overcome by means on the clamp shell for automatically aligning the clamps with respect to the cigar lighter socket sothat there is a substantial reduction in instances of improper threading of the cigar lighter socket and the clamp shell.
   
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   http://www.freepatentsonline.com/3955333.html
   
   Hope it will help.

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