| 主权项 |
1. A pen cutter knife, comprising:
a body section, comprising a front cap configured with a blade outlet slot, a slider button slot, a spring retaining notch, and a rear cap, wherein said front cap is secured to a front opening of said body section, said slider button slot is formed in a wall of said body section, said rear cap is secured to a rear opening of said body section, and said spring retaining notch is formed on an inner portion of said body section between said slider button slot and said rear opening; a blade carriage retained within said body section and comprising a front end formed with a blade holder, a middle section formed with a slider button attachment point and spring attachment point, and a rear end formed with a rim, wherein said spring attachment point is formed between said slider button attachment point and said rim and has a smaller diameter than said rim; a slider button configured to pass through said slider button slot in said body section and engage with said blade carriage to form an actuation unit that is movable between at least two positions, wherein a first position of said at least two positions is when said slider button is in a rear position and said cutting blade is retracted within said front cap, wherein a second position of said at least two positions is when said slider button is in a forward position and said cutting blade is extended from said blade outlet slot; and a spring wrapped around said spring attachment point and retained between said spring retaining notch and said rim of said blade carriage, wherein moving said slider button to said second position causes said spring to be compressed between said spring retaining notch and said rim of said blade carriage. |
