Rail with rollers and process of manufacture
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Aug 22, 2000
Grant Date -
N/A
app pub date -
Jul 29, 1999
filing date -
Nov 28, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Roller rail comprising a lower profile whose section is one of, U-shaped or omega-shaped, a plurality of rollers, and an upper profile made of a steel band, cut and embossed, used as a roller carrier. The band comprises edges which are folded and crimped on upper rims of the lower profile, which edges are linked together by crossbeams between which the rollers are positioned. The process of manufacture of a roller rail comprises preparing by, one of, folding or profiling operations, a sheet metal band, a lower profile with one of, U-shaped or omega-shaped section, and an upper profile carrying a plurality of rollers and assembling the profiles together by folding and crimping the edges of the sheet metal band constituting the upper profile onto upper rims of the lower profile.
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