JPH0176974U - - Google Patents

Info

Publication number

JPH0176974U

JPH0176974U JP1987171965U JP17196587U JPH0176974U JP H0176974 U JPH0176974 U JP H0176974U JP 1987171965 U JP1987171965 U JP 1987171965U JP 17196587 U JP17196587 U JP 17196587U JP H0176974 U JPH0176974 U JP H0176974U

Authority

JP

Japan

Prior art keywords

frame

lid

tension spring

support member

end fixed

Prior art date

1987-11-12

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

• 230000008602 contraction Effects 0.000 claims 1
• 238000010586 diagram Methods 0.000 description 1