Hole punch structure
OwnerChun-Yuan Changinventor
Life of this patent
Estimating the term…
Abstract
The invention provides a hole punch structure. More particularly, one end of an exposed longitudinal handle is moved together with a slide rod in a hole-punching mechanism covered by a casing. Thus, when the other end of the handle is pressed down, the slide rod is also moved transversely, a push rod connected to the slide rod is also moved, and a tool shelf is pressed vertically downward to achieve a hole-punching operation of a punching post. This hole punch structure works according to the principle of lever of the longitudinal handle and becomes a completely covered, laborsaving and safe hole-punching apparatus.
Claims3
A hole punch structure, comprising a casing, a bottom cover, a paper flake cover, a longitudinal handle, a slide rod, a push rod, a tool shelf and a base, wherein:
- the casing has a top portion having a space for the handle to be pressed to-and-fro, and has one end on which a loop for locking the handle is mounted;
- the bottom cover is disposed under the casing and is formed with a plurality of accommodating holes;
- the paper flake cover is mounted onto a bottom portion of the bottom cover;
- the handle has one end, which rises when the handle is not used, the other end connected to the base through a stationary shaft, and a lateral side formed with a displacement groove, and the stationary shaft passes through a top portion of the slide rod and is combined with the handle through the displacement groove;
- the slide rod has a lateral side formed with an engaging slot, the push rod and the slide rod are combined together through the engaging slot, and the stationary shaft passes a bottom portion of the slide rod and is connected to the displacement groove of the base;
- the push rod has a top portion formed with a slit, through which the tool shelf is pushed to move vertically downward, and the push rod has a lateral side formed with a plurality of circular projections and may be moved to-and-fro in a restricting slot of the base;
- the tool shelf has a lateral side on which a plurality of punching posts and a plurality of vertical rectangular projections are disposed, the tool shelf is connected to a rectangular slot of the base through the rectangular projections, the tool shelf further has the other lateral side formed with a chamber, the push rod is disposed in the chamber, and the slit of the push rod moves the engaging slot of the tool shelf vertically downward;
- the base is disposed above the bottom cover and is formed with a plurality of accommodating holes, the base may be connected to the handle and the slide rod through the stationary shaft, the base is further formed with the restricting slot and the rectangular slot so that the circular projections of the push rod and the rectangular projections of the tool shelf may be combined together and provide a restricting and aligning effect to move the tool shelf vertically downward;
- and
- when one end of the handle is pressed, the slide rod is pushed to move transversely according to connection relationships between the stationary shaft and the handle and the base so that the push rod connected to the slide rod is moved, and the slit of the push rod pushes the engaging slot of the tool shelf so that the tool shelf is pressed vertically downward to achieve an effect of punching holes when the punching posts pass through the accommodating holes.
Dependencies are inferred from the claim text.