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Unread 14-02-2013, 03:44
nivekuil nivekuil is offline
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Help finding the name of a mechanism
Basically, a small plastic switch that operates like tire spikes (minus the tire-destroying aspect of course). One side is curved and the other side is a straight edge. The switch is pushed down when force is applied to the curved side, but not when applied to the vertical side, thus forcing one-way movement. Here's a sketch roughly demonstrating what I mean: http://i.imgur.com/ZHBavUJ.png

Sorry if my description isn't clear, and any help is appreciated.
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Unread 14-02-2013, 06:52
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Re: Help finding the name of a mechanism
The only thing I can assist is a "spring plunger". It's not identical to what you have, but might lead down the right path.
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Unread 14-02-2013, 06:52
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Re: Help finding the name of a mechanism
Not 100% sure but I want to say it's called a Spring Lock. At least, that is what it's called in retractable umbrellas (slightly different functionality, however).
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Unread 14-02-2013, 07:58
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Re: Help finding the name of a mechanism
The action you're describing can be found in a toggle bolt. Spring-loaded wings that collapse in one direction, but provide resistance in the other. For an example, our 2013 shooter features one.
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Unread 14-02-2013, 08:12
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Re: Help finding the name of a mechanism
Many door latches work this way. You may want to look through your local hardware store. Bring your sketch as employees there may have other ideas as well.
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Unread 14-02-2013, 09:57
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Re: Help finding the name of a mechanism
Door latch? cabinet latch? I suppose there could be an electrical switch version of this too.
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Unread 14-02-2013, 12:58
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Re: Help finding the name of a mechanism
In a rotary form it is a pawl, part of a ratchet.
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Unread 14-02-2013, 13:07
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Re: Help finding the name of a mechanism
Carr Lane Spring Stop Button?

http://www.carrlane.com/catalog/inde...2D252A5E415E5D

Lowes: Springlatch ...

http://www.lowes.com/pd_61307-352-40...tch&facetInfo=
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Click image for larger version Name: CL-10B-SSB_d.gif Views: 14 Size: 6.8 KB ID: 14005  
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Last edited by DELurker : 14-02-2013 at 13:20. Reason: Added image; Added Lowes note
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