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Inboard Seat Rail Harness Mount

K

kasbridge

PCGB Member
Member
All,
Pls see attached pic, I am looking for another one of these brackets (correctly handed) as shown currently fitted to the driver's seat of my RSL (LHD).

On my car this is the point at which the inboard lap harness is attached, it is a small fabricated bracket which sits on top of the seat rail and which is secured by longer seat rail securing brackets which protrude beyond the seat rail itself and go through holes in the harness mount bracket.

I have no idea who the original manufacturer was and whether this is a typical arrangement for clip-in harnesses.

Any ideas for sourcing or alternative ideas for harness fixing welcome.

Thanks,
Kevin.
 
Kevin,
Haven't seen one of those before, but it looks quite a neat solution - no idea who may have manufactured it......... There are a few options for harness anchoring :-

1.) You bolt the tag on the end of the harness lap strap onto the same bracket that the buckle for the seatbelt attaches too - but this means that the lap belt becomes "permanent" and you need a non-clip on harness end.
2.) You do as above but with an eyebolt - but it's very tight space-wise and almost impossible to unclip the harness from they eyebolt.
3.) Brey Krause in the USA make a bracket that you use instead of the eyebolt, but it's expensive and still fiddly to use.
4.) You drill and re-inforce the transmission tunnel behind the seat and attach an eyebolt there (this is how my car is set up)

Personally I like the solution in your picture, and would suggest you get someone to fabricate one for the other side (assuming that's what you're trying to do ???)

Jamie
 
Jamie,
I think I will get one fabricated, there's a guy near me who made some gates for me, should be pretty easy for him to copy I think, will have to be careful with the longer bolts to ensure they are the right material spec etc.

Thanks for the input,
Kevin.
PS Didn't catch you before you went yesterday, thanks again for taking John round, he's a polite lad and didn't want to hurt his Uncle's feelings but he did admit under pressure that you were a fair bit quicker than I was-he was suitably impressed.
 
Simon,
Is this because the seat rail fixing bolts are not as strong as an eye-bolt fixed to the body, as there are two rear fixing bolts this seems hard to believe?

Also I would assume that the seat fixing bolts are engineered to take a high speed impact from the rear when they would be subjected to similar forces that the seat belt fix points would experience in the case of a front end collision?

Thanks, any info gratefully received,
Kevin.
 
i agree i think that is a big no no,somebody fabricated them,if any part of where the seat is mounted to should break your harness are doing nothing,i think the harness points have to be to the bodywork on there own reinforced point like the transmission tunnel,all race cars are done this way
 
I honest;ly don't know why I believe that the harness shouldn't be attached to the seat but it is a long held eblief probably formed from when I raced in the 1980's! I have been trying to think through the implications. I think that if you have all the mounting points on the body and pass the straps through the holes in the seat, then should the seat mounts fail you are still held in place. However, if some of the mounting points can move with the seat, I think you are in trouble. Or am I talking BS!!!!!
 
Personal choice i guess in the end. Porsche put the standard lap and diagonal lap fixing on the seat, so they must have crash tested it ! however they also put reinforcing plates designed to take lap straps into the tunnel as well. ???
 
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