On 3/15/2015 12:39 PM, email@example.com wrote:
These are what you need, but they are not available.
(Amazon.com product link shortened)26470547&sr=8-6&keywords=spring+loaded+casters#productDetails
But there ARE some good searches on ebay that are in the range..
Look about 20 or so items down, there are 40lb rated springs, which
means you would need to be 160lbs.
or 80lbs to engage the front of the steps.
On 3/15/2015 11:57 AM, firstname.lastname@example.org wrote:
There are industrial step platforms that work exactly like that. The
casters have springs and the step bottoms out as soon as you put your
foot on it.
Ladder casters, side mounted, will do what you want. They can be
mounted inside to be out of sight. Under compression, the steps contact
the groun and the caster does not roll.
On 3/15/15 10:57 AM, email@example.com wrote:
I think this is somewhat what you're going for, albeit less industrial.
If you Google "rolling step stool" you'll a bunch of those designed for
the kitchen. I'm not sure of the casters could be used for what you're
making. But somewhere in between the kitchen and industrial ones has to
be a caster you could use on which you could swap out the springs to
work perfectly for your particular weight requirements.
"Playing is not something I do at night, it's my function in life"
Thanks. I'll be building a carpeted, plywood stair to conform to the
size of my butt. I'll also be installing side handles to assist
lifting myself up the steps. When I get it built I'll put a .jpg of it
wrote in message
On Sun, 15 Mar 2015 11:32:53 -0400, FrozenNorth
The ladder casters I came across in my cursory search were available in
various weightings... some with 25 lb springs. If this is too strong of a
spring perhaps the spring loaded casters as used on walkers would work...
check a DME vendor for replacement casters.
OK, cancel my drill press thingy. I kinda think finding a ready made
solution is going to be tough but how about this (I'm assuming you are
making the steps)?
1. a piece of ply with standard casters
2. box with bottom, 2-4 bolts through bottom
3. attach #1 to #2 bolts but with compression springs between the two.
4. sides and/or front back of the box almost to the floor
No weight on the box, it rolls easy; add weight and the springs compress
allowing the box/step sides and/or front back to hit the floor.
On 3/15/2015 10:57 AM, firstname.lastname@example.org wrote:
I have seen these on the bottom of round step stools. But the problem
will be finding them to adjust to the weight you want.
On Sunday, March 15, 2015 at 8:23:18 AM UTC-7, Unquestionably Confused wrote:
Well, one could easily adapt an auto 'air spring' adjustable suspension
strut to lower a couple of wheels. Or, just mount a suitable auto
helper spring/shock assembly with the right leverage on a pivoting
pair of wheels (next to fixed legs). It'll look like it came from a truck
undercarriage, of course. Strong design element!
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