JPH033928Y2 - - Google Patents

Info

Publication number

JPH033928Y2

JPH033928Y2 JP4864286U JP4864286U JPH033928Y2 JP H033928 Y2 JPH033928 Y2 JP H033928Y2 JP 4864286 U JP4864286 U JP 4864286U JP 4864286 U JP4864286 U JP 4864286U JP H033928 Y2 JPH033928 Y2 JP H033928Y2

Authority

JP

Japan

Prior art keywords

opening

frame

ceiling

elevating body

cover

Prior art date

1986-03-31

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

• 230000003028 elevating effect Effects 0.000 claims description 59
• 230000008878 coupling Effects 0.000 claims description 50
• 238000010168 coupling process Methods 0.000 claims description 50
• 238000005859 coupling reaction Methods 0.000 claims description 50
• 239000000463 material Substances 0.000 claims description 21
• 230000000694 effects Effects 0.000 description 3
• 239000000725 suspension Substances 0.000 description 3
• 239000004035 construction material Substances 0.000 description 2
• 238000009434 installation Methods 0.000 description 2
• WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
• 238000010276 construction Methods 0.000 description 1
• 238000010586 diagram Methods 0.000 description 1
• 238000006073 displacement reaction Methods 0.000 description 1
• 238000005516 engineering process Methods 0.000 description 1
• 210000002837 heart atrium Anatomy 0.000 description 1
• 238000003780 insertion Methods 0.000 description 1
• 230000037431 insertion Effects 0.000 description 1
• 238000000034 method Methods 0.000 description 1
• 230000005855 radiation Effects 0.000 description 1
• 230000000630 rising effect Effects 0.000 description 1