Patent ID: 7254893

Claim:
A handsaw comprising: an arcuate frame which integrates with a front handle and a rear handle and has a pair of concaves in opposing lateral sides thereof to define a triangular flat portion therebetween, a pair of stop walls and a first through hole in said flat portion, a first hook bar under said front handle and having a depression in one lateral side thereof for disposing a first retaining pin, a reduced portion at a lower end of the rear handle including at the front side thereof a hook which has a guiding surface and a retaining slot in the underside thereof, a pair of retaining projections symmetrically formed on opposing lateral sides of said rear handle; a second hook bar having a pair of triangular upper ends each having an aligned hole engaged with the through hole spacedly formed and engaged with the flat portion of said frame and pivotally secured by a rivet with a double-coil spring biased therebetween and a round reduced lower end having a depression in a lateral side thereof for anchoring a second retaining pin and a second through hole in a thick portion; a locking member having a pair of circular front ends symmetrically formed each including a crescent depression in its outer surface and each of which has an inlaid hole, a circular hole, a third through hole and a central through hole, and a shallow dishpan type rear end which has a U-shaped side wall and a pair of latches on an inner side of opposing side walls made engaged with said retaining projections of the rear handle in a snap fitting, said third through holes being engaged with the second through hole of said second hook bar and pivotally secured by a retaining rod; a pair of reinforcement crescent plates engaged with said crescent depression respectively each having a protrusion piece respectively pressed into said inlaid holes and an axle bush respectively pressed into said circular holes; an axial rod having a rolling tube wrapped on anchored into said axle bushes at two ends; a saw blade having an eye in each end engageable with said first and second retaining pins respectively.