Patent ID: 8677587

Claim:
A modular pneumatic fastening device for operating a fastening component comprising: a main body comprising: a main control valve inside the main body; an auxiliary control valve inside the main body; an oil hole situated inside the main body and extended toward a top surface of the main body; and two first air tunnels situated inside the main body and communicated with the main control valve and the auxiliary control valve, and extended to a side surface of the main body; a motive module being mounted on the top surface of the main body and comprising: a chamber being formed inside the motive module and having a front opening and a rear opening, wherein the front opening is mounted on a front end of the chamber and the rear opening is mounted on a rear end of the chamber; a first protrusion being mounted on the rear end of the chamber, which is protruded from a perimeter rim of the rear opening; and a second protrusion being mounted on a front end of the motive module; a first fast-detaching module being attached to the rear end of the chamber, and having a first recess, wherein the first recess is connected to the first protrusion, which allows the first fast-detaching module to attach or detach from the chamber; and a second fast-detaching module being attached to the front end of the chamber, being configured for operating the fastening component with the corresponding first fast-detaching module, and having a second recess, wherein the second recess is connected to the second protrusion, which allows the second fast-detaching module to attach or detach from the chamber.