okay, so i'm looking to fix up my chair that i broke. it was a tubular steel chair. i would make an entirely new wooden chair, but i dont particularly relish the idea of a wooden butt and back rest. the welds on the backrest and buttrest seem to be working fine, so i dont really want to change that.
i'm in the steps of designing a new base for the chair that would give me back the ability to swivel and recline. the swivel i'm thinking of right now is just casters. i cant find a cheap enough swivel that will support weight, and i honestly cant figure out how to design the swivel into this chair.
what i have so far. text
atm the sides are made of..something. i'm thinking of plywood with solid styles and rails, and a solid armrest. here's the problems.
the tubular steel back and butt connect to the tubular steel base at 2 points. one on the back, has a simple pass through bolt that seats into a base that's been welded to the frame. all the weight put on the chair back is put onto these 2 bolts in shear. what i'm trying to find, is if there's a replacement for that base that can simply screw into wood. like a sheath for a bolt, that itself is a screw. (i'm getting ready for going out to eat atm. when i get back, i'll draw a diagram.) text
second problem. i need to find a way to connect the two sides that will handle the stress. ideas? text
third problem. the butt rest connects to the base at a point relatively far away from the front of the chair. (only 15" between the backrest connection to the base, and the buttrest connection.) if i put it as i've planned out, it'll connect somewhere in the floating area that is the plywood. i'm thinking of backing up the plywood with a piece of hardwood that's screwed in like 6 places into the plywood to distribute the load. but does anybody have a better idea? text
again, i know this sounds confusing. i'm not very good at description w/o pictures. i'll draw and post some later (after dinner)
EDITED: added links to diagrams.
i'm in the steps of designing a new base for the chair that would give me back the ability to swivel and recline. the swivel i'm thinking of right now is just casters. i cant find a cheap enough swivel that will support weight, and i honestly cant figure out how to design the swivel into this chair.
what i have so far. text
atm the sides are made of..something. i'm thinking of plywood with solid styles and rails, and a solid armrest. here's the problems.
the tubular steel back and butt connect to the tubular steel base at 2 points. one on the back, has a simple pass through bolt that seats into a base that's been welded to the frame. all the weight put on the chair back is put onto these 2 bolts in shear. what i'm trying to find, is if there's a replacement for that base that can simply screw into wood. like a sheath for a bolt, that itself is a screw. (i'm getting ready for going out to eat atm. when i get back, i'll draw a diagram.) text
second problem. i need to find a way to connect the two sides that will handle the stress. ideas? text
third problem. the butt rest connects to the base at a point relatively far away from the front of the chair. (only 15" between the backrest connection to the base, and the buttrest connection.) if i put it as i've planned out, it'll connect somewhere in the floating area that is the plywood. i'm thinking of backing up the plywood with a piece of hardwood that's screwed in like 6 places into the plywood to distribute the load. but does anybody have a better idea? text
again, i know this sounds confusing. i'm not very good at description w/o pictures. i'll draw and post some later (after dinner)
EDITED: added links to diagrams.
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