JPS6136473Y2 - - Google Patents

Info

Publication number

JPS6136473Y2

JPS6136473Y2 JP6940481U JP6940481U JPS6136473Y2 JP S6136473 Y2 JPS6136473 Y2 JP S6136473Y2 JP 6940481 U JP6940481 U JP 6940481U JP 6940481 U JP6940481 U JP 6940481U JP S6136473 Y2 JPS6136473 Y2 JP S6136473Y2

Authority

JP

Japan

Prior art keywords

lifter

auxiliary

auxiliary lifter

main body

bottom plate

Prior art date

1981-05-15

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

• 239000012779 reinforcing material Substances 0.000 claims 1
• 238000010586 diagram Methods 0.000 description 4
• 230000003014 reinforcing effect Effects 0.000 description 3
• 238000004519 manufacturing process Methods 0.000 description 2
• 229920001875 Ebonite Polymers 0.000 description 1
• 230000015572 biosynthetic process Effects 0.000 description 1
• 238000010276 construction Methods 0.000 description 1
• 230000000694 effects Effects 0.000 description 1