A purpose is to render a gripping operation of grip tabs more stable. A hose clamp includes a clamp body formed by bending a plate spring into an annular shape while two ends of the plate spring are caused to cross each other on a circumferential plane and grip tabs formed to be raised radially outward from both ends of the clamp body, respectively. An expanded-diameter state of the clamp body is retained when a locking claw is locked by a catch. The clamp body is released from the expanded-diameter state when a gripping operation is further carried out in this state. The second grip tab has a distal end formed to be wider than a distal end of the first grip tab. The distal ends of the grip tabs are bent in respective directions in which the distal ends depart from each other with respect to a thicknesswise direction, thereby serving as bent portions for the gripping operation, respectively.

In a tool for mounting and dismounting a pipe clamp provided by the present creation, a first end portion and a movable second end portion are separately disposed on a base, and a connecting rod mechanism is used to convert circular motion into linear motion of the second end portion by force, so as to reduce the distance between the second end portion and the first end portion, thereby achieving an effect that the annular inner diameter of a pipe clamp is increased when the pipe clamp is held between the first end portion and the second end portion.

A plier assembly comprises first and second handle assemblies, a main hinge pin, and a bias spring. The first and second handle assemblies each comprise a frame assembly, a support block defining a support block longitudinal axis, a proximal opening, and a distal opening, a tip assembly supported by the first support block, a proximal pin, and a distal pin. The main hinge pin engages the support blocks to support the second handle assembly for movement relative to the first handle assembly. The bias spring is configured to apply a biasing force to the support blocks of the first and second handle assemblies. The proximal openings are sized and dimensioned such that, as the second handle assembly moves relative to the first handle assembly, the longitudinal axes of the support blocks are substantially parallel.

A pushbutton plier device and a method for converting a plier tool is provided. The pushbutton plier device includes a locking assembly. The locking assembly has a pushbutton and a housing. The pushbutton has a pushbutton body. The pushbutton body has at least one blocking member recess. The housing has a housing body. The housing body is configured to selectively contain a blocking member. The pushbutton plier device has a first plier handle and a second plier handle. The first plier handle has at least one first plier handle aperture. The second plier handle has at least one second plier handle aperture. When the first plier handle, the second plier handle, and the locking assembly are selectively joined together in a predetermined position, the locking assembly, located within the first plier handle aperture and the second plier aperture, secures the first plier handle to the second plier handle.

A pliers switchable for use with external snap-rings and internal snap-rings. The pliers has a first member with V-shape track, a second member with an aperture, and a switch mechanism. The second member and the switch mechanism are translatable along the V-shape track, and the switch mechanism is configured to engage and disengage the first and second members in and out of a locked position.

Apparatus (10) for opening a split ring comprises a pair of levers (12, 14) which are pivotally coupled together and define a first jaw (20) and an opposing second jaw (22). A member (30) is mounted on the first jaw (20). The member (30) has a wedge-shaped profile, tapering from a base region (32) adjacent the first jaw (20) to a tip region (34) spaced from the base region (32). The tip region (34) is configured for insertion between adjacent helical turns of a split ring when gripped between the first and second jaws (20, 22). The tip region (34) has an arcuate peripheral edge (36) that extends at least partially around a longitudinal axis (38) of the first jaw (20).

A power transmission shaft is interposed between a first shaft section and a second shaft section. The power transmission shaft comprises: a cylindrical section rotated integrally with a shaft section and formed cylindrically; a through hole disposed in the cylindrical section and penetrated radially with respect to a rotational axial line, each of a pair of vehicle side rotational shaft sections having an engagement groove disposed on an outer peripheral side of the pair of vehicle side rotational shaft sections and extended in a direction around the rotational axial line and the engagement groove being exposed from the through hole; and a retaining ring (circlip) disposed to enclose at least a portion of the outer peripheral side of the cylindrical section, a portion of the retaining ring being inserted into the through hole from the outer peripheral side of the cylindrical section and being engaged with the engagement groove.

A circlip pliers may include a head section which may include a top jaw and a bottom jaw, a handle section which may include a top handle and a bottom handle, a joint assembly which may operably couple the head section to the handle section, and a tip assembly which may include a first tip which may be disposed at a distal end of the top jaw and a second tip which may be disposed at a distal end of the bottom jaw. The first and second tips may each include a base portion, a cylindrical body portion and a retention lip which may be disposed at a distal end of the cylindrical body portion.

A purpose is to render a gripping operation of grip tabs more stable. A hose clamp includes a clamp body formed by bending a plate spring into an annular shape while two ends of the plate spring are caused to cross each other on a circumferential plane and grip tabs formed to be raised radially outward from both ends of the clamp body, respectively. An expanded-diameter state of the clamp body is retained when a locking claw is locked by a catch. The clamp body is released from the expanded-diameter state when a gripping operation is further carried out in this state. The second grip tab has a distal end formed to be wider than a distal end of the first grip tab. The distal ends of the grip tabs are bent in respective directions in which the distal ends depart from each other with respect to a thicknesswise direction, thereby serving as bent portions for the gripping operation, respectively.

A pliers switchable for use with external snap-rings and internal snap-rings is disclosed. A jaw assembly with easily changeable tips is provided, and to be more convenient for the end-user, a spring loaded tip release mechanism and jaw assembly is provided.