[Shop-talk] Portable air tanks?

[David Scheidt]

On Dec 17, 2011, at 11:19 AM, "Randall" <TR3driver at ca.rr.com> wrote:

>> While we're on the subject, anyone know why there's several
>> types?  Any advantages/disadvantages to either (I've used
>> both and can't tell any difference)?
>
> Partly just open market, I believe.  Someone had a patent on a design, so
> someone else came up with a competing design.  They used to be known by the
> company that invented (eg Milton, Schrader, etc).
>
> But there are some minor differences, for example with the "Tru-Flate" (aka
> automotive) ones you have to pull back the collar to make a connection.
> With the "industrial" ones, you can just force it together and it will push
> the collar