JPH03120874U - - Google Patents

Info

Publication number

JPH03120874U

JPH03120874U JP3089990U JP3089990U JPH03120874U JP H03120874 U JPH03120874 U JP H03120874U JP 3089990 U JP3089990 U JP 3089990U JP 3089990 U JP3089990 U JP 3089990U JP H03120874 U JPH03120874 U JP H03120874U

Authority

JP

Japan

Prior art keywords

band

substantially circular

friction

friction surface

stepper

Prior art date

1990-03-26

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.)

Pending

Links

• Espacenet
• Global Dossier
• Discuss

• 229910000831 Steel Inorganic materials 0.000 claims description 2
• 239000004576 sand Substances 0.000 claims description 2
• 239000010959 steel Substances 0.000 claims description 2
• PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
• 239000010931 gold Substances 0.000 claims 1
• 229910052737 gold Inorganic materials 0.000 claims 1
• 238000010586 diagram Methods 0.000 description 1