Abstract: A cutting device includes a first gripping element, a first cutting element extending from the first gripping element, a second gripping element operably connected to the first gripping element at a pivot and configured to move relative to the first gripping element about the pivot, and a second cutting element extending from the second gripping element and configured for movement relative to the first cutting element about the pivot. The cutting device further includes an opening spring extending from the first gripping element and the second gripping element, and a protection device located (i) between the first gripping element and the second gripping element, and (ii) between the pivot and the opening spring. An intermediate space is defined between the pivot and the opening spring. The protection device at least partially fills the intermediate space, such that objects are prevented from being inserted into the intermediate space.

Abstract: A pair of scissors for opening a box includes a first cutting member and a second cutting member. The first cutting member is provided with a first handle on an end thereof, and the second cutting member is provided with a second handle on an end thereof. The scissors further include a connecting nail and a movable hole defined on the first cutting member. The movable hole is arranged for the connecting nail to move, and the connecting nail passes through the movable hole and is connected with the second cutting member, so that the first cutting member pivots around the second cutting member by the connecting nail. The connecting nail is movable in the movable hole which allows the first cutting member to move relatively to the second cutting member. The scissors have the advantages of simple structure, low cost and convenient operation.

Abstract: A cutting tool is provided which may include a first blade and a second blade, where the first blade is coupled to the second blade at a first pivot point, where the first blade defines a cam follower and pivots relative to the second blade about a first pivot axis through the first pivot point; and a lever pivotably coupled to the second blade at a second pivot point, where the lever defines a cam surface and pivots relative to the second blade about a second pivot axis through the second pivot point, where the second blade is driven toward the first blade in response to the lever being advanced toward the first pivot point and the cam follower translating along the cam surface.

Abstract: A hand tool includes a first jaw; a second jaw rotatably coupled to the first jaw, the second jaw including a first set of projections and a first bearing surface, the first bearing surface having a first curvature; and a lever coupled to the first jaw, the lever including a second set of projections and a second bearing surface, the second bearing surface having a second curvature. During a movement of the first and second jaws from a full open position to a full close position, the first and second sets of projections are at least partially engaged to prevent a slippage between the first and second bearing surfaces that are in a rolling contact during the movement of the first and second jaws from the full open position to the full close position.

Abstract: A gardening scissor includes a first cutting unit, a second cutting unit, and a control rod. Each of the first and second cutting units has a tool portion, and one end of each of the tool portions has a first handle and a second handle. The first and second cutting units are pivotally connected together through first and second through holes. An axial hole is formed near the first through hole, and one side of the axial hole has a gap to connect with the step-shaped space. An extending wing that is protruding out from the second handle is formed at a rear portion of the tool portion. When the control rod is inserted into the axial hole and connected with a stopping unit, the control rod can be restricted by the stopping unit and cannot be laterally separated from the axial hole.

Abstract: A cutting tool includes a first and a second element having a handle in a first end and a cutting element in a second end. A spring element is arranged between the first and second element to move the handles away from each other, and an adjustment mechanism sets a maximum opening angle for the handles. The adjustment mechanism includes a groove in a side surface of the first element, an adjustment ring is arranged to a side surface of the second element, and a shaft which is rotatably arranged to protrude through a hole in the second element, a first end of the shaft engaging the engagement surface of the adjustment ring and a second end of the shaft having an eccentric part protruding into the groove in the first element.

Abstract: A hand operated cutting tool includes a first cutting member; a first handle including a second cutting member, wherein the second cutting member is coupled to the first cutting member and includes a first set of projections; and a second handle including a lever, wherein the lever is coupled to the first cutting member and includes a second set of projections. The first and second handles are movable between a full open position and a full closed position, wherein during a first region of travel proximate the full open position the first and second set of projections are disengaged, and during a second region of travel proximate the full closed position the first and second set of projections are at least partly engaged.

Abstract: The present invention relates to the field of hand-operated scissors and shears having an ergonomic design in which one of the blade members is slide operated so as to better conform to the configuration of the operator's hand and the desired cutting orientation of the device. The system includes a first blade having a shank and at least one finger ring. A second blade is provided with a pivot to cross the first blade. The second blade having a guide channel in the proximal end thereof. A slide assembly cooperates with a track formed into the shank of the first blade and a thumb ring is secured to the slide assembly. In operation, the users causes the blades to open and close with respect to each other by reciprocating the slide assembly along the track, thereby eliminating the opening and closing motion required in the scissors of the prior art.

Abstract: A cutting tool is provided which may include a first blade and a second blade rotatably coupled to the first blade. The cutting tool may include a first handle rotatably coupled to the first blade, the first handle rotatable between a deployed position and a folded position, and a second handle rotatably coupled to the second blade, the second handle rotatable between a deployed position and a folded position. The cutting tool may also include a first rotation lock configured to hold the first handle fixed relative to the first blade. The first handle may be configured to be rotatable relative to the first blade in response to the first rotation lock being disengaged. The first rotation lock may be configured to be held in the disengaged position in response to the first handle being disposed between the deployed position and the folded position.

Abstract: A garden shears has a first shear, a second shear and two joined pressing arms. The first shear has a handle portion, and a positioned first pivot hole and an first eccentric pivot hole. The second shear has an elliptical second pivot hole, and a sidewall of the second pivot hole has a limiting surface. A sliding slot is disposed on the second shear, and a limiting indentation is disposed along an outer sidewall between the second pivot hole and the sliding slot, with a second cutting portion extending from an upper section of the second shear. The two joined pressing arms respectively have a connecting rod at a lower section and an Z-shaped upper section; an elliptical engaging pivot hole is disposed on each arm, and a third pivot hole is disposed at the upper section and used to be engaged with a first spacer.

Abstract: An object of the invention is to achieve the practicable use of a pair of barber scissors having a sliding-cutting function. In the barber scissors configured of blade bodies each including a cutting blade and handle, a gear accommodation hole is formed at a pivotal joint intersection of one blade body; a rack is formed on the inner-surface of the gear accommodation hole; and a guide groove is formed in the outer-surface of the blade body. In the pivotal joint shaft position of the other blade body, a pinion having arc-shaped teeth to engage with the rack is mounted to rotate together with the blade body; a guide member having a projection to fit into the guide grove is disposed striding the outer-surface of the gear accommodation hole; and a nut is screwed and mounted on the pivotal joint screw shaft protruding from a shaft hole of the guide member.

Abstract: Pruning shears or corresponding cutters comprising a first elongated handle part, a first blade part arranged as an extension of the first handle part, a second blade part pivoted to the first blade part from a first pivot point, and a second elongated handle part pivoted at its first end to the second blade part from a second pivot point. The second elongated handle part is connected to the first elongated handle part with at least one shaft pivotally connected to both the first and second elongated handle parts. The first and second elongated handle parts are arranged in the open position of the shears in remain along their entire length at a distance from each other enabling the use of the shears with one hand along the entire length of the handle parts.

Abstract: Upper and lower handle members are pivotally attached at one end. Crimper jaws are operated via the handles. The upper handle carries a guide assembly to mount the blade, and operate the cutting mode using an upper handle cradle. Other accessories include a hole punch, a nut driver, a rivet remover and a hammer.

Abstract: To improve the cutting properties of a pair of scissors 1, such as hairdressing shears 11, it is proposed that at least one shank 4 be made to vibrate parallel to the longitudinal direction (6) of the blade (7) of this shank (4) by means of an electrically powered vibrator (5). The vibrator (5) may include a piezoelectric travel transducer (8), which deflects the blade (7) with an ultrasonic frequency.

Abstract: The scissors for cutting filamentary material, especially hair, include two shanks (4) pivotally connected to each other at a pivot joint (2); respective blades (7) for cutting the filamentary material extending from the shanks (4) and an electrically powered vibrator (5) for vibrating one of the shanks in a longitudinal direction at an ultrasonic frequency and with a displacement of about 100 to 200 &mgr;m. The pivot joint (2) includes a nail (14) extending from one shank, an eccentric washer (15) embedded in the other shank which engages around the nail and a miniature motor (17) for rotating the washer (15) and the shank in which it is embedded. In other embodiments the electrically powered vibrator (5) include a piezoelectric transducer (8) arranged to connect a shank to one of the blades or an exciter coil (19) wrapped around a strut region made of a magnetostrictive material in one shank.

Abstract: A composite knife and shears apparatus provides a larger knife blade and a smaller knife blade that closely conform in a closed position so that the smaller knife is contained within the periphery of the larger knife. A pair of handle members form handles for the shears in open position and abut to define an overall composite handle with generally continuous outer surface in a folded, closed position. The top of the larger blade has a recess that holds an object to be sheared.

Abstract: A squeeze tool includes a pair of levers pivoted together to form a handle section of each lever on one side of the pivot connection and a work arm on the other side of the pivot connection. Each handle has a gripping portion asymetrically disposed with respect to the central plane of the tool. The gripping portions are angled opposite to each other with their remote ends converging toward each other and the near ends diverging away from each other both longitudinally and transversely. The gripping portion includes a gripping surface which is generally anatomically contoured having an arcuate thickened central portion to improve the gripping comfort and the efficiency of the tool.

Abstract: A pair of scissor segments are connected at a rotation center to be mutually openable and closable. In the one scissor segment, a projection has a stem portion integrally formed on the inner surface of the rotation center. In the other scissor segment, a concave portion is formed in the inner surface of the rotation center. The concave portion are provided with an opening allowing the projection to enter thereinto, and a stem supporting portion rotatably supporting the stem portion of the projection entered into the opening. When both the scissor segments are connected with each other, the projection is not exposed from the outside surfaces of the scissor segments.

Abstract: A cutting tool, especially a scissors with drawing cut includes a lower shear blade pivotally connected to an upper shear blade by a bolt or other suitable means which projects into an oblong hole of the upper shear blade. The lower shear blade is provided with a straight groove which extends slantingly to the longitudinal axis of the lower shear blade and is engaged by a pin which is part of a plate-shaped injection molded part snugly inserted in the upper shear blade and including the oblong hole.

Abstract: Cutting shears or scissors have pivotally connected blades and shank portions extending at an acute angle with respect to the cutting edges of the blades wherein handles of the shears connected to the shank portions lie forward of the pivot connection between the blades in the direction of cut of material to be cut by the shears. The shears handles are configured such that the handle to be grasped by the fingers of the operator's hand is fixed to a blade which has a surface adapted for supporting the shears during use thereof. The other blade is provided with a handle particularly adapted for receiving the thumb wherein rotation of the thumb together with thrust of the forearm in the direction of cut or closing action yields a large mechanical advantage without substantial manual effort.