Patent ID: 7000507
Filing Date: 2006-02-21
Classification: B25G

Abstract:
1. A hand tool having a joint lock mechanism, comprising: a head having a rear end, the rear end having a convex pivotal portion; a handle having a front end, the front end having a concave pivotal portion pivotally coupled to the convex pivotal portion, the concave pivotal portion having a first side, a second side opposite to the first side, and a bottom side coupled to the first side and the second side; a fastening device disposed through the convex pivotal portion and the concave pivotal portion and pivotally coupled to the convex pivotal portion while fixedly coupled to the concave pivotal portion, the convex pivotal portion and the bottom side of the concave pivotal portion defining a receiving space; and a joint lock mechanism disposed between the convex pivotal portion and the concave pivotal portion, characterised in that: the bottom side of the concave pivotal portion has an inclining surface inclining forwardly from the first side to the second side; the joint locking mechanism comprises: