That is exactly what they are for.The Claud Butler Catalogue refers to them as "Continental" drop-outs,some call them Cyclo dropouts. Art Link,San Antonio,TX,USA
David Bean <email@example.com> wrote: From: "David Bean" <firstname.lastname@example.org> To: "CR List (E-mail)" <email@example.com> Date: Fri, 16 Nov 2007 16:51:15 -0500 Subject: [CR]Ebay Butler
There's a nice restored fillet-brazed Claud Butler on ebay (item 320181068908) The dropouts include projections in front of and below the actual axle slot. Are these to aid in fitting a wheel quickly into the frame?
beandk at are-see-enn dot com