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Posted by Sarah on April 22, 2006, 6:10 pm
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My cabinetmaker & I are trying to determine how to most
cost-effecitvely copy a contemporary rolling ladder I saw in Hong Kong
for our 16' high library. The tracks on top & bottom were inlaid into
the cabinetry & the ladder glided very smoothly along these tracks - I
assume some sort of heavy-duty ball & socket joint would be required to
make the 45 degree curve? I imagine a local metal fabrication shop
could do the track & the cabinetmaker can make the ladder, but we
haven't yet figured out the attachment mechanism necessary. Any & all
ideas greatly appreciated! I have a photo of the inspiration for this
ladder if any good samaritan can help.
Thanks - Sarah
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Posted by RAM³ on April 22, 2006, 6:21 pm
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> My cabinetmaker & I are trying to determine how to most
> cost-effecitvely copy a contemporary rolling ladder I saw in Hong Kong
> for our 16' high library. The tracks on top & bottom were inlaid into
> the cabinetry & the ladder glided very smoothly along these tracks - I
> assume some sort of heavy-duty ball & socket joint would be required to
> make the 45 degree curve? I imagine a local metal fabrication shop
> could do the track & the cabinetmaker can make the ladder, but we
> haven't yet figured out the attachment mechanism necessary. Any & all
> ideas greatly appreciated! I have a photo of the inspiration for this
> ladder if any good samaritan can help.
>
> Thanks - Sarah
>
Conventional ball/roller bearings can be used - it's the mounting arms that
are beveled.
For inspiration, go to a hardware store and see how large [barn-sized] door
hardware is designed.
You might also consider using casters on the bottom of the ladder with the
ladder's base capable of being moved and extended so that it's not vertical
but at least 30 degrees off vertical for safety in climbing.
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Posted by Wood Butcher on April 22, 2006, 7:51 pm
Please log in for more thread options Check here:
http://www.rockler.com/product.cfm?page=2237&TabSelect=Details#top
for reference if nothing else.
Art
> My cabinetmaker & I are trying to determine how to most
> cost-effecitvely copy a contemporary rolling ladder I saw in Hong Kong
> for our 16' high library. The tracks on top & bottom were inlaid into
> the cabinetry & the ladder glided very smoothly along these tracks - I
> assume some sort of heavy-duty ball & socket joint would be required to
> make the 45 degree curve? I imagine a local metal fabrication shop
> could do the track & the cabinetmaker can make the ladder, but we
> haven't yet figured out the attachment mechanism necessary. Any & all
> ideas greatly appreciated! I have a photo of the inspiration for this
> ladder if any good samaritan can help.
>
> Thanks - Sarah
>
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Posted by Martin H. Eastburn on April 22, 2006, 10:12 pm
Please log in for more thread options We (wife and I) have wished we had a room to outfit like that.
We have the books, just not build the room yet.
One idea - use 4" pulleys - V belt. Then have a track of inverted V made
from a very hard wood. Pretend this long strip across the top is the belt
that is cut and laid out long wise. - well you could use V belt - it would
be just right and can be attached with wood screws from the top (small V side).
That is two ways. A metal one could be cut - or ground - make sections that
interlock and make a train track in a way.
Martin
Martin Eastburn
@ home at Lions' Lair with our computer lionslair at consolidated dot net
NRA LOH & Endowment Member
NRA Second Amendment Task Force Charter Founder
IHMSA and NRA Metallic Silhouette maker & member
Sarah wrote:
> My cabinetmaker & I are trying to determine how to most
> cost-effecitvely copy a contemporary rolling ladder I saw in Hong Kong
> for our 16' high library. The tracks on top & bottom were inlaid into
> the cabinetry & the ladder glided very smoothly along these tracks - I
> assume some sort of heavy-duty ball & socket joint would be required to
> make the 45 degree curve? I imagine a local metal fabrication shop
> could do the track & the cabinetmaker can make the ladder, but we
> haven't yet figured out the attachment mechanism necessary. Any & all
> ideas greatly appreciated! I have a photo of the inspiration for this
> ladder if any good samaritan can help.
>
> Thanks - Sarah
>
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We (wife and I) have wished we had a room to outfit like that.
We have the books, just not build the room yet.
One idea - use 4" pulleys - V belt. Then have a track of inverted V made
from a very hard wood. Pretend this long strip across the top is the belt
that is cut and laid out long wise. - well you could use V belt - it would
be just right and can be attached with wood screws from the top (small V side).
That is two ways. A metal one could be cut - or ground - make sections that
interlock and make a train track in a way.
Martin
Martin Eastburn
@ home at Lions' Lair with our computer lionslair at consolidated dot net
NRA LOH & Endowment Member
NRA Second Amendment Task Force Charter Founder
IHMSA and NRA Metallic Silhouette maker & member
Sarah wrote:
> My cabinetmaker & I are trying to determine how to most
> cost-effecitvely copy a contemporary rolling ladder I saw in Hong Kong
> for our 16' high library. The tracks on top & bottom were inlaid into
> the cabinetry & the ladder glided very smoothly along these tracks - I
> assume some sort of heavy-duty ball & socket joint would be required to
> make the 45 degree curve? I imagine a local metal fabrication shop
> could do the track & the cabinetmaker can make the ladder, but we
> haven't yet figured out the attachment mechanism necessary. Any & all
> ideas greatly appreciated! I have a photo of the inspiration for this
> ladder if any good samaritan can help.
>
> Thanks - Sarah
>
----== Posted via Newsfeeds.Com - Unlimited-Unrestricted-Secure Usenet News==----
http://www.newsfeeds.com The #1 Newsgroup Service in the World! 120,000+
Newsgroups
----= East and West-Coast Server Farms - Total Privacy via Encryption =----
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Posted by Snag on April 22, 2006, 11:09 pm
Please log in for more thread options Martin H. Eastburn wrote:
> We (wife and I) have wished we had a room to outfit like that.
> We have the books, just not build the room yet.
>
> One idea - use 4" pulleys - V belt. Then have a track of inverted V
> made from a very hard wood. Pretend this long strip across the top is the
> belt that is cut and laid out long wise. - well you could use V belt - it
> would be just right and can be attached with wood screws from the top
> (small V side).
> That is two ways. A metal one could be cut - or ground - make
> sections that interlock and make a train track in a way.
>
> Martin
>
> Martin Eastburn
> @ home at Lions' Lair with our computer lionslair at consolidated dot
> net NRA LOH & Endowment Member
> NRA Second Amendment Task Force Charter Founder
> IHMSA and NRA Metallic Silhouette maker & member
>
>
> Sarah wrote:
>> My cabinetmaker & I are trying to determine how to most
>> cost-effecitvely copy a contemporary rolling ladder I saw in Hong
>> Kong for our 16' high library. The tracks on top & bottom were
>> inlaid into the cabinetry & the ladder glided very smoothly along
>> these tracks - I assume some sort of heavy-duty ball & socket joint
>> would be required to make the 45 degree curve? I imagine a local
>> metal fabrication shop could do the track & the cabinetmaker can
>> make the ladder, but we haven't yet figured out the attachment
>> mechanism necessary. Any & all ideas greatly appreciated! I have a
>> photo of the inspiration for this ladder if any good samaritan can
>> help. Thanks - Sarah
Being both a cabinet maker and a novice (well , maybe a bit more than
novice) home shop machinist , I agree with the poster who suggested you
attach the top and let the bottom atand away from the cabinets . Roller
bearings at the top , running in a shallow track , and good roller bearing
rubber wheels at the bottom .
Attaching a vertical ladder to a cabinet 16 feet tall is a disaster
waiting to happen . Even attached to a wall , the side loading on this would
be higher than I like .
--
Snag aka OSG #1
'76 FLH "Bag Lady"
BS132 SENS NEWT
"A hand shift is a manly shift ."
<shamelessly stolen>
none to one to reply
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> cost-effecitvely copy a contemporary rolling ladder I saw in Hong Kong
> for our 16' high library. The tracks on top & bottom were inlaid into
> the cabinetry & the ladder glided very smoothly along these tracks - I
> assume some sort of heavy-duty ball & socket joint would be required to
> make the 45 degree curve? I imagine a local metal fabrication shop
> could do the track & the cabinetmaker can make the ladder, but we
> haven't yet figured out the attachment mechanism necessary. Any & all
> ideas greatly appreciated! I have a photo of the inspiration for this
> ladder if any good samaritan can help.
>
> Thanks - Sarah
>