×
INTELLIGENT WORK FORUMS
FOR ENGINEERING PROFESSIONALS

Contact US

Log In

Come Join Us!

Are you an
Engineering professional?
Join Eng-Tips Forums!
  • Talk With Other Members
  • Be Notified Of Responses
    To Your Posts
  • Keyword Search
  • One-Click Access To Your
    Favorite Forums
  • Automated Signatures
    On Your Posts
  • Best Of All, It's Free!

*Eng-Tips's functionality depends on members receiving e-mail. By joining you are opting in to receive e-mail.

Posting Guidelines

Promoting, selling, recruiting, coursework and thesis posting is forbidden.

Students Click Here

Attaching a bicycle crate to a bicycle rack
3

Attaching a bicycle crate to a bicycle rack

Attaching a bicycle crate to a bicycle rack

(OP)
Hello Everyone,

I have a question about attaching a bicycle crate (or basket) made of aluminum on top of a bicycle rack.

The attachment needs to theft deterrent, so zip ties (plastic or steel) wouldn't work.

Bicycle racks in the Netherlands have absolutely no standard sizes. I need the crate to attach to as many racks as possible.

The solution I am thinking about is making rectangular holes in the bottom of the crate and manufacturing a separate detached 'bottom plate' with similar rectangular holes (picture attached).

And then assembling everything to attach the crate, bottom to top:

1. Separate ' bottom plate'
2. The bicycle rack
3. The crate
4. Bolts with diameters equal to the width of the rectangular holes
(Picture attached).

My questions where I need help:

1. Is it possible to fasten the system tightly using bolts that go into the rectangular holes in the bottom of the crate and the separate ' bottom plate ? ( What I am used to is that bolts go through tight circular holes, not rectangular holes) In other words, is there a way to make the system not move along the length of the rectangular holes after tight fastening of the bolts ?

2. It is super tedious to lock the bolts with nuts that go under the separate ' bottom plate'. There is very low dexterity to go under the bicycle rack with tiny nuts. Could we make the rectangular holes in the separate ' bottom plate ' threaded ? ( Pardon my mechanic nonsense background) Such that the bolts only go through by turning and they fix in place ?

Appreciate any help.

Thanks!

RE: Attaching a bicycle crate to a bicycle rack

Angle the slots on the "bottom plate" will allow for more adjustment.

RE: Attaching a bicycle crate to a bicycle rack

(OP)
Could you please describe how to angle the slots ? Thanks

RE: Attaching a bicycle crate to a bicycle rack

Run them diagonally (/ \) so that you can pick a location where they line up with your rack.

= = = = = = = = = = = = = = = = = = = =
P.E. Metallurgy, consulting work welcomed

RE: Attaching a bicycle crate to a bicycle rack

(OP)
Thanks for the suggestion, but is it possible to fasten a threaded bolt tightly into a threaded rectangular holes with width equal to the diameter of the bolt ?

RE: Attaching a bicycle crate to a bicycle rack

A Google search turned up dozens of videos about how to do this and none of them were rack/box specific.

I understand the "theft deterrent" part, but a bolt cutter can remove the rack from the bicycle faster than you are likely to be able to remove the box from the rack. They can also allow removing the bicycle from wherever you parked it rather quickly as well. Check out the Lock Picking Lawyer on YoutTube for examples. Something to consider.

Red Flag This Post

Please let us know here why this post is inappropriate. Reasons such as off-topic, duplicates, flames, illegal, vulgar, or students posting their homework.

Red Flag Submitted

Thank you for helping keep Eng-Tips Forums free from inappropriate posts.
The Eng-Tips staff will check this out and take appropriate action.

Reply To This Thread

Posting in the Eng-Tips forums is a member-only feature.

Click Here to join Eng-Tips and talk with other members! Already a Member? Login


Resources

Low-Volume Rapid Injection Molding With 3D Printed Molds
Learn methods and guidelines for using stereolithography (SLA) 3D printed molds in the injection molding process to lower costs and lead time. Discover how this hybrid manufacturing process enables on-demand mold fabrication to quickly produce small batches of thermoplastic parts. Download Now
Design for Additive Manufacturing (DfAM)
Examine how the principles of DfAM upend many of the long-standing rules around manufacturability - allowing engineers and designers to place a part’s function at the center of their design considerations. Download Now
Taking Control of Engineering Documents
This ebook covers tips for creating and managing workflows, security best practices and protection of intellectual property, Cloud vs. on-premise software solutions, CAD file management, compliance, and more. Download Now

Close Box

Join Eng-Tips® Today!

Join your peers on the Internet's largest technical engineering professional community.
It's easy to join and it's free.

Here's Why Members Love Eng-Tips Forums:

Register now while it's still free!

Already a member? Close this window and log in.

Join Us             Close