Collapsible saw

Claim 1

In a collapsible with of the type having an elongated, hollow, open-sided frame with two approximately parallel side portions connected by a bight portion to form a magazine housing; a handle capable of being attached to one end of said frame, and circumvolving between a closed position against the frame, and an open operable position away from the frame at an angle thereto; and a saw blade capable of being attached across the angle at the frame end and at the handle end, and circumvolving between a closed position within the magazine housing, and an open position out of the magazine housing; in combination: a. seating and retaining means adapted to receive and hold the handle end of the saw blade at the base of the handle when the blade and the handle are in their open operable positions; b. blade attachment means pivotally securing the handle end of the saw blade to its frame end so that the teeth of the blade are facing away from the bight portion of the frame, and so that the handle end of the saw blade can be held in said seating and retaining means without the blade having to circumvolve away from the frame to its open operable position through an arc as large as pi /3 radians; c. handle attachment means pivotally securing the handle to the frame so that the blade end can be held in said seating and retaining means without the handle having to circumvolve away from the frame to its open operable position through an arc as large as 2 pi /3 radians; d. expanding lever means adapted to be positioned across an angle formed by the frame and the handle in their open operable positions, urging the handle and the frame further apart when the blade is seated biasing and tensioning the blade; and e. stop means included in said lever means, cooperating with said lever means, locking with handle and frame in said biased position.