Bowtie 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]

References

  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, retrieved 2010-01-19. Note: original URL outdated, Internet Archive link