Safety cap
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 28, 2000
Grant Date -
N/A
app pub date -
May 24, 1999
filing date -
Nov 30, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
It is an object to provide a safety cap which is lightweight and excellent in air ventilating ability and waterproofness in rainy weather or the like. The safety cap includes an air hole penetrating inner and outer walls of a cap body, a drainage channel provided along the inner wall of the cap body for discharging water coming into the cap body through the air hole to outside of the cap body, and a vent hole in an upper side of a cross section of the drainage channel perpendicular to the drainage direction. Alternatively the safety cap includes a drainage groove formed in the outer surface of a cap body and having a plurality of vent holes formed in the side walls thereof, wherein the drainage groove is covered with a cover body having air holes and also an edge section of the drainage groove is opened to an outside of the cap body as a drainage hole. And the safety cap is provided with a recessed portion on a surface of the cap body, wherein the recessed portion has vent holes respectively penetrating the the inner and outer walls thereof, and the recessed portion is covered with a cover body having air holes and drainage holes provided at positions where the holes do not overlap the vent holes.
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