Safety screw particularly for skates
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United States of America Patent
Stats
-
Oct 3, 1995
Grant Date -
N/A
app pub date -
Feb 10, 1994
filing date -
Apr 22, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A safety screw for skates, including a male part, provided with a first head and with a first internally threaded stem, and a female part, provided with a second head and with a second stem that has a complementarily threaded first seat for the first stem. In this screw, the male part has an axial external reeding which is adjacent to the first head and has a slightly larger diameter than the first stem. The reeding interacts with a second seat that has a slightly smaller diameter. The second seat is formed at the free end of the female part, and is contiguous to the first seat.
First Claim
Family
International Classification(s)
Cited Art Landscape
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