Combination screwdriver

摘要

A combination screwdriver includes a handle having a receiving chamber, a fixed plate secured in the receiving chamber of the handle, a push button movably mounted in the receiving chamber of the handle, a compression spring mounted in the receiving chamber of the handle and biased between the fixed plate and the push button, a tool holder movably mounted in the receiving chamber of the handle and holding a plurality of tips, and a restoring spring mounted in the receiving chamber of the handle and biased between the fixed plate and the tool holder. Thus, the tool holder is sprung outward and partially protruded from the handle by pressing the push button to expose the tips for selection of the user so that the user can take and operate the tips easily and quickly.

主权项

1. A combination screwdriver, comprising:
a handle having a receiving chamber; a fixed plate secured in the receiving chamber of the handle; a push button movably mounted in the receiving chamber of the handle; a compression spring mounted in the receiving chamber of the handle and biased between the fixed plate and the push button; a tool holder movably mounted in the receiving chamber of the handle; and a restoring spring mounted in the receiving chamber of the handle and biased between the fixed plate and the tool holder; wherein: the handle has a side provided with a socket unit; the fixed plate is provided with a through hole and two slots; the fixed plate is provided with two limit posts each disposed between the through hole and a respective one of the slots; the push button is made of a plastic material; the push button has a first end provided with a pressing portion and a second end provided with two limit hooks and two positioning hooks; each of the positioning hooks of the push button has a distal end provided with a locking portion; each of the positioning hooks of the push button is provided with an thrust portion; the thrust portion of each of the positioning hooks has a tapered shape; the tool holder has a shank provided with a plurality of mounting seats for mounting a plurality of tips; the tool holder has a first end provided with a grip portion and a second end provided with an abutting portion; the abutting portion of the tool holder has a side provided with a locking knob releasably clamped between the positioning hooks of the push button; the compression spring is biased between the fixed plate and the pressing portion of the push button; and the restoring spring is biased between the fixed plate and the abutting portion of the tool holder.