Composite clamping shell for electric cigar lighters

Details Composite clamping shell for electric cigar lighters Composite clamping shell for electric cigar lighters

1983-04-22

1986-04-08

Weidenfeld, Gil

Geometrical instruments

339142, 339276SF, 29511, B60D 108

Patent

active

045808562

ABSTRACT:
A composite clamping shell for securing the socket of an electric cigar lighter to a panel of an automobile, has a rolled sheet-metal body of tubular shape, with open ends and a clinched seam. Attached to the body is a drawn, sheet metal sleeve having a rolled screw thread. The body has inwardly displaced stop shoulders to position the sleeve, which latter has an annular out-turned flange abutting the stop shoulders. Edge portions of the body end are laid over the out-turned flange of the sleeve to hold it captive and prevent relative movement. The body is stamped out of a piece of flat sheet metal stock and thereafter rolled into the desired cylindrical shape. The sleeve is produced by drawing operations, from flat stock. Reduced manufacturing cost is thus realized.

REFERENCES:
patent: 1082397 (1913-12-01), Blass
patent: 1135193 (1915-04-01), Klein
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patent: 3919521 (1975-11-01), Iwao
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patent: 4056876 (1977-11-01), Lammerman
patent: 4459464 (1984-07-01), Oda et al.

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