Roller contact device
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United States of America Patent
Stats
-
Mar 7, 1995
Grant Date -
N/A
app pub date -
Sep 7, 1993
filing date -
Sep 11, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Disposed before and behind stationary contacts 6U and 6L are one pair each of roller contacts 5FM and 5FH, and 5BM and 5BH which are supported collectively at the upper and lower ends thereof by bridge links 4FU and 4FL, and 4BU and 4BL. These paired upper and lower bridge links are then supported by either of support shafts 3F and 3B respectively. The support shafts 3F and 3B for these two pairs of roller contacts and bridge links are supported by a pair of guide shafts 2U and 2L. The guide shafts are loosely engaged with a drive arm 1 and contacting pressure springs 7U and 7L are fitted between the two support shafts.
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