Abstract: A push button release mechanism for coupling together two portions of a tool, such as pliers. The push button release mechanism can include a push button and one or more balls pushed in a radially-outward direction by geometry of the push button to pivotally couple the two portions together. The balls are normally pushed outward by an engagement portion. Depressing a push button head axially downward causes the balls to align with a receiving portion, which allows the balls to descend into the interior of the mechanism. The push button release mechanism is also threadably coupled with a threaded opening of one of the portions. The threaded opening can have deformed threads to increase the retention torque required to rotate the push button release mechanism.

Abstract: A pipe wrench is provided, including a first lever member, a pivot and a second lever member. The first lever member includes a first grip portion, a first clamping portion and a body portion, and the body portion has at least one guide toothed groove. The pivot is slidably disposed within the at least one guide toothed groove, and the pivot is slidable along an axial direction to be on a locked position or a released position. The second lever member include a second grip portion, a pivot hole and a second clamping portion, and the pivot is disposed through and pivoted to the pivot hole.

Abstract: Pliers with adjustable jaw span have a first member (1) and a second member (2) which cooperate with each other. A long slot (13) is formed in the first member (1). The second member (2) is connected with the first member (1) by means of a pivot (3) passing through the long slot (13), and rotatable around the pivot (3) relative to the first member (1), while adjusting the span of the jaws by varying the position of the pivot (3) within the long slot (13). The edge of the long slot (13) is provided with ratchet teeth (14). The pivot (3) is engaged with the ratchet teeth (14) by a pawl (31), thus the pivot is movable within the long slot (13) in a first direction and immovable in a second direction which is opposite to the first direction. The pliers are convenient to operate because when the position of the pivot (3) is moved within the long slot (13), the user's operation is required only for the movement in one direction.

Abstract: A hand operated gripping tool includes a first jaw fixedly connected with a first jaw handle, a second jaw movable relative to the first jaw such that the first and second jaws cooperably define a variable size space therebetween for receiving a part to be gripped, a second jaw handle pivotally connected with the second jaw for moving the second jaw relative to the first jaw, a link system pivotally connected to the second jaw handle and having a guided portion selectively engageable with a plurality of guide portions provided on the first jaw handle. The guided portion being engageable with a first of the guide portions to define a first range of movement of the second jaw towards the first jaw and a second of the guide portions to define a second range of movement of the second jaw towards the first jaw.

Abstract: A ring pliers can be adjusted to work with internal rings and external rings.

Abstract: A push button locking pliers has a plurality of macro jaw width stations for grasping a wide variety of objects. A positioning mechanism is connected to a movable jaw member having a pivot that cooperates with a jaw adjustment slot in the main handle. The positioning mechanism is released by pushing on a push button on the pivot against a spring allowing the movable jaw member to move along the slot. The user places the positioning mechanism at the jaw positioning station that creates a macro spacing between the fixed and movable jaws that best fits the object to be grasped. The push button is then released allowing the pivot to engage the rounded hole of the new positioning station. The pivot is made self centering on the rounded hole of the new positioning station by having a frustoconical section that engages the side of the hole even if the pivot is not centered on the hole.

Abstract: A hand operated gripping tool includes a first jaw fixedly connected with a first jaw handle, a second jaw movable relative to the first jaw such that the first and second jaws cooperably define a variable size space therebetween for receiving a part to be gripped, a second jaw handle pivotally connected with the second jaw for moving the second jaw relative to the first jaw, a link system pivotally connected to the second jaw handle and having a guided portion selectively engageable with a plurality of guide portions provided on the first jaw handle. The guided portion being engageable with a first of the guide portions to define a first range of movement of the second jaw towards the first jaw and a second of the guide portions to define a second range of movement of the second jaw towards the first jaw.

Abstract: Pliers, with two arms that are joined together via an articulation pin. One of the arms has a protuberance with a lateral channel that extends via one of the orifices, a pusher being located in the channel and having an inner channel that accommodates a spring that acts between the pusher and the arm. The articulation pin is joined by means of screwing to the pusher in the region of the lateral channel, a toothed claw being arranged coaxially therebetween with mechanical continuity. The pusher is continued as an extension located on the walls of the other orifice in the work position. Applicable to hand tools.

Abstract: A push-button locking pliers has a plurality of macro jaw width stations for grasping a wide variety of objects. A positioning mechanism is connected to a movable jaw member and cooperates with a jaw adjustment slot in the main handle. The positioning mechanism is released by pushing on a push button allowing, it to move along the slot. The user places the positioning mechanism at the jaw positioning station that creates a macro spacing between the fixed and movable jaws that best fits the object to be grasped. An adjustment screw adjusts the micro spacing between the jaws to cause the pliers to lock on the object using an over-center mechanism when the handles are squeezed.

Abstract: The invention relates to a pair of pliers (1) with two pliers legs (2, 3) crossing at a joint pin (4), one (3) of which legs is movable and the other (2) is fixed, and with a spring (13) between the fixed leg (2) and the joint pin (4) acting in such a way as to support interlocking engagement of the joint pin (4), wherein the pliers legs (2, 3) form gripping portions (5, 6) on one side of the joint pin (4) and a pliers mouth is formed on the other side of the joint pin (4), wherein furthermore the joint pin (4), through which a pivot axis (A) of the movable pliers leg at the same time extends, is adjustable in a longitudinal slot (9) of the fixed pliers leg (2), and wherein the movable pliers leg (3) can be optionally fixed in relation to the fixed pliers leg (2) by means of interlocking engagement between the joint pin (4) and the longitudinal slot (9) that takes place in the direction of a plane defined by the pliers legs (2, 3).

Abstract: A padded spring clamping device for making hand-crafted jewelry and similar activities comprising removable padded jaws and adjustable clamping force, is herein disclosed. The padding is of a closed-cell and chemical-resistant foam applied thereto the removable jaws in order to provide a soft covering that will protect fine jewelry, wood, or other items held within the jaws. The padding further provides increased frictional gripping ensuring that an item of varying size and shape is held with little or no movement.

Abstract: Pliers (1) operable with one hand have two plier legs (2, 3), which pivot in relation to one another about an engagement bolt (4) and overlap one another in a crossover region. The plier legs (2, 3) are connected by a control element (13) and a spring drive (12), which pretensions a mouth of the pliers into an open position. The control element (13) has two links (15, 16) that are connected to one another in the manner of a toggle lever by means of a toggle joint. A spring (14) pretensions the links (15, 16) into an extended position, wherein the spring (14) can be changed in its length. The engagement bolt is inserted into the pliers legs during a spreading of the pliers legs.

Abstract: A hand operated gripping tool includes a first jaw, a second jaw, a first cam associated with said first jaw, a pivotal handle associated with said first jaw and a second cam associated with said pivotal handle, said first and second jaws being cooperable to define a variable size space for receiving a workpiece and said first and second cams being operable to cause said first and second jaws to grip a said workpiece that is positioned in said variable size space.

Abstract: The present invention discloses a probe clamp used for removing a damaged probe. The probe clamp includes a container, a seizing head and a push rod, and the seizing head is sheathed onto a desired removing probe. If a force is applied to drive the push rod to withdraw the seizing head, then the damaged probe can be clamped tightly for the removal. The probe clamp of the invention not only can seize the damaged probe quickly and precisely, but also can clamp and remove the probe effectively, so that the probe will not slide or touch other probes that may result in damaging more probes. Therefore, the invention improves the working efficiency and reduces the consumption of probes effectively.

Abstract: A tool includes a fixed operating lever and a pivoting operating lever that define handles that may be squeezed toward each other by a user to move the fixed and sliding jaws of the tool toward each other to grasp a workpiece. The fixed jaw is defined by the fixed lever. The sliding jaw is confined by the fixed operating lever. The position of the sliding jaw is limited by the operating levers, and its travel toward and away from the fixed jaw is defined by the operating levers. A biasing lever is operably connected to both operating levers. The biasing lever biases the jaws of the tool apart when there is no load applied to the tool and helps to transfer to the tool's jaws the force applied by a user to the tool's handles upon the engagement of a toothed pawl with a toothed surface of a slot within the fixed lever. The tool's jaws remain parallel to each other as they are moved toward or away from each other and while grasping a workpiece.

Abstract: An adjustable device for pliers includes an operation member movably extending through a through hole in the first part and a slot in the second part. The operation member includes an exterior smooth section and a toothed section which can be disengageably engaged with teeth defined in the slot to set the width between the two jaws. A spring is biased to the operation member and stopped by an end member which is connected to a positioning member mounted to the operation member. The operation member is pushed to disengage the toothed section from the teeth of the slot so that the two parts can be pivoted to adjust the two jaws to a desired width and the operation member is released which is pushed back by the spring to engage the toothed section of the operation member with the teeth of the slot.

Abstract: A pair of pliers mainly includes a first body part having predetermined length, thickness, and shape; a second body part having length, thickness, and shape adapted to work with that of the first body part; and a joint pivotally connecting the first and the second body part together at a predetermined position. The joint is movable within a defined range to enable quick adjustment of jaw opening of the pliers, and is locked in place once it is moved to a desired position.

Abstract: An adjustable pair of pliers including two branches, and each branch has an articulation region located between a jaw portion and a handle portion. A first branch includes a guide surface 25, and an articulation surface 26, a front guide mechanism 11, and a front articulation mechanism 12. A rear guide mechanism 17, 43 is provided for guiding the second branch.

Abstract: A pair of water pump pliers, comprising two pincer parts crossing themselves in a connecting region, each consisting of a handle portion and a jaw, wherein the pincer parts are movably connected in the connecting region in such a manner that the first pincer can be displaced relative to the second pincer to adjust the jaw opening width. The pincer parts reciprocally pivot on the other hand, wherein a blocking mechanism is provided in such a manner that further shifting of the first pincer part is blocked when the jaws stop against a workpiece. Also, a spring element is installed between the handle is such a manner that a releasing force from the spring, operating in the jaws' opening direction, acts upon the pincer parts.

Abstract: Self adjusting pliers for grasping a workpiece include first and second plier members each including a handle portion, a jaw portion, and an intermediate portion therebetween. The self-adjusting pliers include a first pivot pin about which the first and second plier members pivot permitting the jaw portions to converge on a workpiece and grasp the workpiece in response to initial movement of the handle portions toward each other. The self adjusting pliers further include a second pivot pin about which the pliers pivot once pivoting has been terminated about the first pivot pin so as to permit a further grasping force to be applied to the workpiece in response to continued movement of the handle portions toward each other. The second pivot pin is closer to the jaw portions than the first pivot pin to allow for a greater mechanical advantage to be obtained. The self adjusting pliers also include a biasing spring for biasing the handle portions away from each other and the jaw portions away from each other.