[rollei_list] Re: Bellows on 2.8D?
- From: Jerry Lehrer <jerryleh@xxxxxxxxxxx>
- To: rollei_list@xxxxxxxxxxxxx
- Date: Thu, 18 Aug 2005 18:34:40 -0700
Richard
Your computer keyboard has membrane seals under the keys, which
prevents any leakage from contacting the switches when you piss on
the keyboard.
Jerry
Richard Knoppow wrote:
> ----- Original Message -----
> From: "Jerry Lehrer" <jerryleh@xxxxxxxxxxx>
> To: <rollei_list@xxxxxxxxxxxxx>
> Sent: Thursday, August 18, 2005 5:44 PM
> Subject: [rollei_list] Re: Bellows on 2.8D?
>
> > Richard,
> >
> > In engineering we call it a diaphragm or a membrane seal
> > .
> > Jerry
> >
> Membrane seal would fit, I tend to think of diaphragms as
> being approximately flat. There are bellows in engineering,
> such as the spring metal bellows use for some types of
> flexible shaft couplings or those in piping that must be
> flexible. I am now picturing a beryllium-copper bellows but
> can't remember what its part of. Probably around 3AM it will
> come back to me.
> Don't you have membrane seals hanging around the beach
> near La Jolla?
>
> ---
> Richard Knoppow
> Los Angeles, CA, USA
> dickburk@xxxxxxxxxxxxx
>
> ---
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