Class 30/512 - Collapsible frame

Subclass of Class 30 - Cutlery
Definition: Device wherein the support can be collapsed (e.g., for storage).
No. of patents: 20
Last issue date: 01/12/2010

Number	Title	Issue Date
7644501	Collapsible handsaw frame A handsaw for holding a saw blade for cutting is disclosed to include a handle having an cantilever bar, an extension bar pivoted to the cantilever bar and turnable relative to the handle between a received position and an extended position, a blade-retaining arm pi...	01/12/2010
7254893	Blade quick removal device for a handsaw A blade quick removal device includes an arcuate frame integrated with a front handle and a rear handle, a first hook bar under the front handle, an oscillatory second hook bar nearby the rear handle for adjustably retaining the saw blade thereon and a locking membe...	08/14/2007
7174644	Handsaw with blade storage and auxiliary blade A saw and/or saw frame including: an elongate substantially rigid back member and a swing arm pivotally connected to the back member so as to be rotatable between an extended position and a storage position; a handle with a first blade mount; the swing arm includes ...	02/13/2007
7007394	Two-position quick-change saw A two-position, quick-change hacksaw consists of a back member, handle structure adjacent a rearward end portion of the back member, and a swing arm adjacent the forward end. The free end of the swing arm and the forward end portion of the back member have coplanar ...	03/07/2006
6898858	Folding concealed hacksaw A folding hacksaw having the back of the saw and the saw handle pivotally joined together and pivotally connected to a four-bar linkage comprising the blade, side frames and a back frame. The back frame is enclosed within the back of the saw. Movement of the handle ...	05/31/2005
6606795	Two-position quick-change saw A two-position, quick-change hacksaw consists of a back member, handle structure adjacent a rearward end portion of the back member, and a swing arm adjacent the forward end. The free end of the swing arm and the forward end portion of the back member hav...	08/19/2003
6298564	Portable hand saw The present invention is a lightweight collapsible hand saw for use when camping, hiking or otherwise. The saw breaks down and can be consolidated into a single tubular shape, with all of the components fitting inside the tube. In the functional configura...	10/09/2001
6230412	Frame of hacksaw A hacksaw including a frame, a handle, an end piece, and a blade. The frame has an arcuate support rod which is provided at one end thereof with a protrusion and a plurality of recesses, and at the other end thereof with a protrusion and a plurality of re...	05/15/2001
6158131	Collapsible saw A collapsible saw has a mechanism for releasably tensioning and locking a saw blade into position while also conferring lateral support for the blade, namely a cam lock mechanism. Additionally, a long channel member, a short member, and a saw blade are ea...	12/12/2000
5706585	Foldable hacksaw A hacksaw includes a beam having two ends receivable in a tube and a handle. The tube and the handle each has an orifice and an aperture formed in one end for engaging with the ends of the beam and for maintaining the beam in a vertical position relative ...	01/13/1998
5590473	Bow saw A bow saw includes a saw blade seat, a handle and at least one saw blade. The handle is pivotally connected with one end of the saw blade seat. The saw blade seat axially extends into one end of the handle by a certain length. The saw blade pivotally conn...	01/07/1997
5440816	Collapsible handsaw A collapsible handsaw which can be erected and collapsed without tools includes, in a first embodiment, a saw blade, a foldable frame, and a flexible binder. In this embodiment the frame includes two frame portions wherein each is connected by a pin to an...	08/15/1995
5349756	Survival saw A collapsible multipurpose hand saw is useful for camping, hunting, backpacking, tree pruning, wood cutting and like outdoor uses. The saw comprises two handles, a crosspiece, a saw blade, a tensioning strap and a tensioning rod. The hand saw is easily as...	09/27/1994
5208986	Folding bucksaw A foldable bucksaw includes an elongated hollow box frame, which is also a blade storage sheath, with left and right handles connected by over center hinges to the ends of the box frame for movement between storage position and operative position. A screw...	05/11/1993
5074002	Collapsible hand saw A collapsible hand saw has a head portion which has a first receptacle to detachably connect with one end of a frame portion, and a handle portion to fixedly connect with the other end of the frame portion, so as to form a bow shape had saw framework to d...	12/24/1991
4779345	Collapsible bucksaw A collapsible bucksaw has an elongate straight sawblade and a collapsible H-shape frame with a central compression frame, a pair of end frames pivotally mounted to ends of the blade, a looped cord for a tightener and a rod to tighten the cord, the coil is...	10/25/1988
4637141	Multi-purpose collapsible hand saw A multi-purpose saw is provided which can be selectively positionable in one of an assembled working mode and a storage mode. The saw comprises a hollow handle, a hollow back bar, a saw blade, a blade stop assembly and a hook retainer assembly for interco...	01/20/1987
4580344	Collapsible saw A collapsible saw comprising an elongated hollow frame member, a handle pivotally connected to the frame member by an interconnecting member to form an angle with a saw blade connected between the free end portions of the angle, and a lever pivotally atta...	04/08/1986
4499936	Collapsible bow saw A bow saw having a frame and a saw blade which is tightened between the opposite ends of the frame when used. The frame is composed of three individual elements which are interconnected by means of simple and cheap connections and which are firmly held to...	02/19/1985
4361177	Folding bow saw A bow saw comprising a pair of elongated frame members interconnected by an over center hinge structure rigidly coupling the first and second frame members for relative movement between a parallel storage position and an angled operating position, and a s...	11/30/1982

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Class 30/512 - Collapsible frame