Re: [CR]Re: wishbone stays

Date: Sat, 29 Mar 2003 13:30:06 -0700
From: Chuck Schmidt <>
Subject: Re: [CR]Re: wishbone stays
References: <> <> <002001c2f638$a92b8bc0$6400a8c0@compaqcomputer>

Joe Bender-Zanoni wrote:
> Andy Newlands patent is on the top tube integral clamp arrangement rather
> than the wishbone seat stays- See U.S. Pat. 4,120,512 at That
> patent is now expired so feel free to study away and build your own version.
> As to no patent for the stays: the Duquesne and others would be prior art
> and a casting is an obvious variant.

Thanks for the additional info Joe. The 1897 Duquesne actually has a "wishbone theme", with the seatstays, chainstays and fork crown being variations of this style.

Chuck Schmidt L.A.