Resources Contact Us Home
Effort-saving stapler

Image Number 3 for United States Patent #8020740.

An effort-saving stapler includes a first activating mechanism including a first connecting section and an abutting ridge, and a second activating mechanism including a ram and an arm including a second connecting section pivotally connecting to the first connecting section at a fulcrum point "A". The stapler further includes a pushing mechanism including a third connecting section, an anvil, and an abutting ridge contacting with the abutting edge of the first activating mechanism, and with these two abutting ridges defining a contact point "B". The stapler further includes a magazine including a fourth connecting section pivotally connected to the third connecting section at a second fulcrum point "C". The fulcrum point "A", contact point "B" and fulcrum point "C" are in a straight line when bending legs of the staples for closing the staples in an effort-saving way.

  Recently Added Patents
Methods and apparatus for ultrasonic cleaning
Provision of downlink packet access services to user equipment in spread spectrum communication network
Tab visibility
Messenger bag
Isothermal amplification of DNA
Substituted thiophene pentamers
Semiconductor device
  Randomly Featured Patents
Measurement apparatus, measurement method, and feature identification apparatus
Down-converter and calibration method thereof
Variable capacitor and memory device employing the same
Receiver applying channel selection filter for receiving satellite signal and receiving method thereof
Zulu numbers for object identification and enhancement
Navigation tool with audible feedback on a handheld communication device having a full alphabetic keyboard
Diskette sequential loading and storing apparatus
Adhesive label/leaflet assemblies