Corner trimmer
AssigneeAidox Technology Corporation
InventorChien-Fu LIN
Life of this patent
Estimating the term…
Abstract
A corner trimmer includes a base, a bottom blade, an L-shaped operation member, a top blade and a spring. The base has a platform and a pivotal portion. The bottom blade having a round edge is fixed to the base and parallel to the platform. The two ends of the L-shaped operation member and two ends of the pivot of the pivotal portion are connected to the base. The L-shaped operation member has an opening. The top blade is located at the inside of the L-shaped operation member and has a curved edge which is located corresponding to the round edge of the bottom blade and shaped to be complementary to the round edge. The spring is biased between the base and the top blade. The corner of an object is inserted into the opening and trimmed by the alternative top and bottom blades.
Claims7
A corner trimmer comprising:
- a base having platform and pivotal portion, the pivotal portion having two oval holes located on two sides of the base;
- a pivot extending through the base, two ends of the picot extending through the two oval holes;
- a spring shaft extending through the base, two ends of the spring shaft fixed to the base;
- a resilient member mounted to the spring shaft and two ends of the resilient member contacting an inside of the base and the pivot respectively;
- a bottom blade fixed to the base and being parallel to the platform, the bottom blade having a round edge;
- an L-shaped operation member having two ends which are fixed to the two ends of the pivot of the pivotal portion of the base, the L-shaped operation member having an opening;
- a top blade located at an inside of the L-shaped operation member and having a curved edge which is located corresponding to the round edge of the bottom blade, two respective shapes of the round edge and the curved edge being complementary to each other, and
- a spring biased between the inside of the base and an underside of the top blade so as to keep the top blade and the bottom blade to be alternative to each other, the opening of the L-shaped operation member and the platform of the base respectively located on two opposite sides of an alternation position between the top blade and the bottom blade.
Dependencies are inferred from the claim text.