JPS6146116Y2 - - Google Patents

Info

Publication number

JPS6146116Y2

JPS6146116Y2 JP8830285U JP8830285U JPS6146116Y2 JP S6146116 Y2 JPS6146116 Y2 JP S6146116Y2 JP 8830285 U JP8830285 U JP 8830285U JP 8830285 U JP8830285 U JP 8830285U JP S6146116 Y2 JPS6146116 Y2 JP S6146116Y2

Authority

JP

Japan

Prior art keywords

blade

insertion groove

support shaft

bracket

handrail

Prior art date

1985-06-13

Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)

Expired

Links

• Espacenet
• Global Dossier
• Discuss

• 230000037431 insertion Effects 0.000 claims description 22
• 238000003780 insertion Methods 0.000 claims description 22
• 229920003002 synthetic resin Polymers 0.000 claims description 10
• 239000000057 synthetic resin Substances 0.000 claims description 10
• 238000009423 ventilation Methods 0.000 description 4
• 229910000831 Steel Inorganic materials 0.000 description 3
• 230000000694 effects Effects 0.000 description 3
• 239000010959 steel Substances 0.000 description 3
• 229910052782 aluminium Inorganic materials 0.000 description 1
• XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
• 238000005260 corrosion Methods 0.000 description 1
• 210000003746 feather Anatomy 0.000 description 1
• 230000002452 interceptive effect Effects 0.000 description 1
• 239000000463 material Substances 0.000 description 1
• 229910052751 metal Inorganic materials 0.000 description 1
• 239000002184 metal Substances 0.000 description 1
• 230000002093 peripheral effect Effects 0.000 description 1
• 238000004904 shortening Methods 0.000 description 1
• 229910001220 stainless steel Inorganic materials 0.000 description 1
• 239000010935 stainless steel Substances 0.000 description 1