Lamp mounting assembly with banding straps

Details Lamp mounting assembly with banding straps Lamp mounting assembly with banding straps

1998-04-24

1999-12-28

Day, Michael H.

Electric lamp and discharge devices

With temperature modifier

Double wall, jacket or casing for envelope

313634, H01J 6134, H01J 548

Patent

active

060085665

ABSTRACT:
A lamp mount assembly (9) includes: a centrally located glass stem (10) having a convex surface; upper and lower banding straps (11, 13) circumferentially encompassing, and crimped to, the centrally located glass stem (10), the banding straps (11, 13) each further comprising oppositely disposed crimp portions, a first of the crimp portions being an interlocking crimp portion (12a, 12b) and a second of the crimp portions being a solid crimp portion (13a), the interlocking crimp portion of the upper banding strap (11) overlying the solid crimp portion (13a) of the lower banding strap (13); and a pair of mount frames (14) disposed about the centrally located glass stem (10), the banding straps (11, 13) holding the mounting frames (14) in place about the glass stem (10), the mounting frames (14) having a coined, concave surface substantially matching the convex surface of the glass stem (10). The banding straps including oppositely disposed crimp portions, of the present invention, reduces breakage of the glass stem.

REFERENCES:
patent: 5023505 (1991-06-01), Ratliff et al.
patent: 5339001 (1994-08-01), King et al.
patent: 5521458 (1996-05-01), Kulik, Jr.

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