Stapling machine
AssigneeAcco-Rexel Group Services Plc.
InventorAndrea Ziglioli
Life of this patent
Estimating the term…
Abstract
A stapling machine is provided which has markings on part of a constant tension spring visible from the exterior of the machine to provide an indication when the supply of staples within the machine is exhausted. The constant tension spring moves the pusher, and markings are present on part of the constant tension spring which becomes visible in a window provided for that purpose.
Claims2
A stapling machine having an interior and an exterior, the stapling machine comprising a magazine for holding a supply of staples, a staple pusher to push staples within the magazine, and a spring to bias the staple pusher, the spring having a surface, the surface being provided with a marking to provide an indication when the supply of staples within the machine is becoming exhausted, the marking being visible from the exterior of the stapling machine.
Dependencies are inferred from the claim text.