guard pin


nounHorology.
  1. (in a lever escapement) a pin on the lever, meeting the safety roller in such a way as to prevent the lever from overbanking.

Origin of guard pin

1
First recorded in 1875–80

Words Nearby guard pin

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use guard pin in a sentence

  • Be sure the guard pin does not interfere with the fork action in any way.

  • As a rule, all the guard pin needs is to be free and not touch the roller.

  • Several letters were delicately cut on its golden stem, and a guard pin showed how much its wearer valued it.

    A Garland for Girls | Louisa May Alcott
  • In reply we would offer the supposition that some workman had bent the guard pin forward or set a pallet stone too far out.

  • When drawing a fork and roller action it is safe to show the guard pin as if in actual contact with the roller.