Spanner with prevention of disengagement of fasteners
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
N/A
app pub date -
Mar 28, 2001
filing date -
Jun 22, 2000
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A spanner comprises a box end that has an inner periphery consisting of a number of wall faces to define a first polygonal receiving space. Each wall face includes a groove defined therein. The grooves of the wall faces together define a second polygonal receiving space. At least one of the grooves includes a closed first end and an open second end.
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Cited Art Landscape
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