Abstract: A tool is provided with a handle extension, including inner and outer telescoping members. The inner member is press-fitted to the handle of the tool, and the outer member is configured to provide a comfortable grip for the user of the tool. A spring-loaded detent means between the inner and outer members provides two alternate positions, constituting a normal position in which the outer member is disposed radially of the inner member (and of the handle of the tool) and an extended position in which the outer member is disposed rearwardly of the handle of the tool for providing increased manual leverage in using the tool. In a preferred embodiment, the tool is a ratchet wrench and the telescoping members are molded of a suitable plastic.

Abstract: A plurality of circumferentially-spaced driving lugs are formed on the improved square-drive tang of a wrench, such as a ratchet wrench; and these driving lugs cooperate with a corresponding plurality of recesses or pockets formed in the top portion of an improved interchangeable square-drive socket, thereby providing for improved torque transmission which is supplemental to, and not a substitute for, the square drive. The improved wrench is compatible with conventional sockets, and the improved socket is compatible with conventional wrenches.

Abstract: A socket to be received in the opening in the head of a low profile ratchet wrench. The ratchet wrench has an annular lip formed partially circumferentially about the opening in the head. The socket has a first axial portion and an integral second axial portion. An opening which has surfaces to engage a fastener is formed in the first axial portion. An opening is formed in the second axial portion which communicates with the opening in the first axial portion. A ratchet gear is formed externally on the second axial portion. The socket is resiliently retained in the opening and is manually insertable and removable from the ratchet wrench. A set of sockets is provided, each having a ratchet gear of the same cross section and each having an opening in the first axial portion which is of a different size to engage a fastener of a predetermined size. An adapter is provided to permit the use of ratchet wrench with conventional sockets and accessories.

Abstract: A display tool box includes a base having a receiving area with a plurality of recesses defined therein so as to receive tools in the recesses and an operation area having a hole defined therethrough which has a toothed inner periphery for a ratchet member rotatably engaged therewith so that a tool, such as a box end wrench is mounted to the ratchet member and can rotate the ratchet member.

Abstract: A displaying device includes a first body and a second body which are pivotally connected. The first body includes a rotating member rotatably mounted thereto and an arcuate slot defined therein. A combination wrench is displayed on the displaying device with a box end thereof retained by an engaging member which may reciprocatingly slide along the arcuate slot upon activation of a driving mechanism.

Abstract: A ratchet wrench having a vertical bore in the handle. The vertical bore has a resilient member disposed therein. The resilient member has an enlarged central section. When the pawl of the ratchet wrench is moved from one alternate position to another, the enlarged central section is distorted.

Abstract: A handle system for a tool to fit the fingers of a hand of a user. At least two individual segments disposed adjacent to one another along a center sleeve. Projections and cooperating counterbores are formed on the edges of the respective segments such that the segments nest on the handle. The segments are axially slidable with respect to one another to accommodate the fingers of the hand. The segments may have grooves to receive the respective fingers. In a possible alternate embodiment, a center ridge is formed on each segment to be received between the fingers of the user's hand. In a system alternate embodiment, a removable handle system for a tool has individual axially slidable keyed or unkeyed segments on a center member. The center member engages the handle of the tool.

Abstract: A pawl for a ratchet wrench to be engaged with a ratchet gear. The pawl has a slot formed on each side of the pawl. The slot extends between the top and the bottom of the pawl near the teeth on the front of the pawl. The pawl flexes to compress the slot when torque is applied to the wrench and engagement between the teeth on the pawl and teeth on the ratchet gear is improved.

Abstract: A hexagonal head wrench having a body, six sides and six corners. A protuberance is formed on each corner. Each protuberance has two oppositely oriented flank members angled at a predetermined angle outwardly and away from each corner. Engagement of the wrench with a fastener occurs on a portion of each respective flank member distal from the corner. Continued application of torque progressively radially engages each flank member with the fastener.

Abstract: A cover plate for a ratchet wrench having a flat body and a plurality of spaced-apart segments formed on a lower surface of the cover plate. Each segment has a chamfered protrusion and a step formed on the protrusion. The protrusion engages a channel formed within the opening in the head of the ratchet wrench to lock the cover plate to the ratchet wrench.

Abstract: An identification insert for a socket for a ratchet wrench. The insert is a member which is adapted to be received in the opening in the socket and to be retained therein. The identification insert provides color differentiation and has other indicia thereon to provide further identification. A set of sockets having indicia are held on a socket holder.

Abstract: A low profile ratchet wrench has an opening formed through the head of the wrench. A pawl module having a body, a detent mechanism, a reversing lever and a pawl is received in a portion of the opening. A socket having a first portion with circumferential gear teeth and an integral second portion having an axially formed opening, is removably received in the opening in the head adjacent to the pawl module. Teeth on the pawl in the pawl module cooperate with the gear teeth on the socket. The socket is removably retained in the opening in the head. A method of assembling and using the low profile ratchet wrench is described. The pawl module is used in a breaker bar.

Abstract: A display pack having a rotatable security member includes a board and the rotatable security member wherein the board has a first hole and a second hole respectively defined therein and an inverted U-shaped frame extends perpendicularly from a front surface of the board with the second hole being located between two extending portions of the inverted U-shaped frame. The second hole has a toothed inner periphery and the rotatable security member includes a polygonal head and a shank which has a flange extending from a free end thereof and a toothed periphery defined in an outer periphery near the flange so that the rotatable security member is rotatably inserted into the second hole with the toothed inner periphery engaged with the toothed inner periphery. A ratchet tool is engaged with the rotatable security member and can be operated within a limited angle between the two extending portions of the frame.

Abstract: A ratchet wrench having at least one gear disposed in an opening in the head of the wrench. An upper pawl and a lower pawl are disposed in a stacked arrangement in a second opening in the head of the wrench. The openings are in communication with one another. A lever is connected to the pawls to simultaneously move both pawls between a forward and a reverse position. The teeth on the pawls work conjointly and alternately engage the teeth on the at least one gear as the wrench is ratcheted thereby producing a reduction in the backswing arc of the wrench.

Abstract: A hacksaw includes a blade tensioning mechanism attached to the lower portion of the handle and connected to the blade through a blade holder. The end of the blade holder is observed via a tension indicator window at the lower portion of the handle, and the handle has respective predetermined indicia adjacent to the tension indicator window for alignment with the end of the blade holder. The blade tension mechanism includes an adjusting screw threadingly engaging the blade holder, and a crank handle mechanically engaging the adjusting screw for adjusting the tension of the blade. At the desired blade tensioning, the crank handle is mechanically disconnected from the adjusting screw and fits closely in the recess underneath the lower portion of the handle.

Abstract: A universal joint which has pivotal movement of each member less than 45.degree.. The sides of the ears of each member are tapered to a predetermined angle, the radial distance between the center of the opening in each ear and the respective apex of each ear is a predetermined distance and the space between the first pin and the second pin in the connecting block is a predetermined distance.

Abstract: A hand tool rack includes a first end adapted to be hung up to a wall, a second end, and a planar base between the first end and the second end. A stop is formed on the planar base adjacent to the first end of the hand tool rack. First and second fixing blocks are formed on the planar base and respectively adjacent to first and second lateral sides of the rack. A plurality of laterally equi-spaced mediate fixing blocks, holding members, and posts are mounted on the planar base and between the first and second fixing blocks. Each mediate fixing block is in alignment with an associated holding member and an associated post. Each holding member includes a protrusion projecting from an upper portion of a vertical wall thereof.