Can Technology buckling spring

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The Can Technology buckling spring is a buckling spring switch manufactured by Can Technology (also known as CAN, Syncan and Cheng Ya/Sheng Ya).

Can Technology keyboards do not have removable barrels or a separate barrel plate — the slider guide shafts ("barrels") are moulded into the upper case of the keyboard itself. They also have a distinctive cruciform cross section, instead of the circular shape of IBM barrels.


  • Can Technology CAN-5001CW[1]
  • Syncan TK-M501C[2]


  1. Deskthority — Buckling springs: CAN-5001CW
  2. Deskthority — Syncan TK-M501C with calculator/buckling springs