Bowtie cotter pin

From Wikipedia, the free encyclopedia
Jump to: navigation, search
Bowtie locking cotter pin

A bowtie cotter pin is a formed wire fastener that resembles an R-clip, except it positively locks when installed. This keeps them from accidentally falling off or vibrating loose.[1] It was patented by Pivot Point, Inc. on March 23, 1999.[2][3]


  1. ^ Pins, retrieved 2009-08-19 .
  2. ^ US 6135693, Leitzke, Rue S. & Roman J. Baus, "Bow tie locking cotter", issued 2000-10-24. 
  3. ^ Bow-tie locking cotter, Archived from the original on 2010-06-12, retrieved 2010-01-19.  Note: original URL outdated,