mobile base

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Blog series by Holbs updated 02-24-2013 07:14 PM 4 parts 8510 reads 15 comments total

Part 1: compound lever for mobile base

12-16-2012 02:36 AM by Holbs | 0 comments »

having mobile bases in a multi purpose garage is a must. i went looking at other mobile bases, either commercially available or home made on YouTube. i was dissatisfied with everything i saw: 3/4” EMT electrical conduit squishing retractable wheels down, lockable castor’s that still slightly moved, castor’s at the 4 corners that can be easily tripped over, using alot of torque and pressure to lift the stand itself. well, here is my idea. this came from bumping...

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Part 2: issues, asking for advice

02-01-2013 02:03 AM by Holbs | 11 comments »

I found out using solely a compound lever assembly to lower & raise casters on the bottom will not work. The entire carcass will pivot on the lower lever at 1 pivot point. Meaning, the carcass will tip forward or backward, especially if running over a power cord or floor obstruction. I didnt want to give up on my compound lever all together. As my criteria for a mobile base is:1.) all lower and raising operation to be done as i face the machine within arms length.2.) not wanting t...

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Part 3: 85% tuned up

02-17-2013 07:21 PM by Holbs | 4 comments »

getting there. fine tuned things even is, this will work perfectly.but i want to put in 4” or 5” wheels. hinge them to the support leg, not the cross member. or bolt the casters right to the bottom of the support leg. might even do a full 2×4 for caster plate instead of the 1×4.either way… this is fun :)i’ll tinker and see.

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Part 4: a better idea

02-24-2013 07:14 PM by Holbs | 0 comments »

i think i’m near the final draft. with each caster being independent and being nearly directly under each of the fulcrums (instead of a piece in the middle), i’m able to raise this makeshift table with jointer & jointer stand onboard with ease. I removed the middle piece idea from previous versions, i also rotated the casters to they follow the “throw” of the bottom 1×4 instead of against the grain. this allows the top 1×4 to be thrown all the way vert...

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