The present invention seeks to protect Applicant's HYTORC Z System which involves: tools having multi-speed/multi-torque modes with torque multiplication and vibration mechanisms without use of external reaction abutments; a force transfer means to yield in-line co-axial action and reaction for use with such tools; driving means and shifting means capable of attaching to washers under the nut for use with such tools and force transfer means; associated washers for use with such tools, force transfer means and driving means; and related accessories for use with such tools, force transfer means, driving means and washers. HYTORC Z Washers located under nuts or bolt heads of various types having engageable perimeters of multiple shapes, sizes, geometries and serrations, such as washer/fastener radius engagement differentials, and frictionally biased faces with relatively higher friction against the flange surface and relatively lower friction against the nut, such as friction coefficient increasing treatment means of various types, sizes and locations. HYTORC Z Guns incorporating a powerful impact mechanism and a precise torque multiplier in the same tool combining rapid run-down with calibrated torque. HYTORC Z Sockets with dual drive coaxial action and reaction having outer sleeves to react on Z Washers and an inner sleeves to turn nuts or bolt heads. HYTORC Z Spline Adapters and Reaction Plates for backwards compatibility with HYTORC's torque/tension systems including the AVANTI square drive system, the STEALTH limited clearance system, the pneumatic jGUN series, the FLASH Gun electric multiplier and more. HYTORC Z Washer and HYTORC Friction Washer combination including a dual friction-enhanced face washer for counter-torque under a nut or bolt head on the other side of the joint; and HYTORC Z Dual Drive Offset Links for tight clearances while using HYTORC's torque/tension systems. Z-Squirter Washers, HYTORC Z Washer and Nut Assemblies, Tapered Fastener Assemblies, Tapered Torsional Couplings, Two-Part Tapered Nut Assemblies and any combinations thereof are further disclosed.

A tooling assembly for fastener installation has a socket body reversibly rotatable by a driving mechanism. A bore in the socket body has a first end portion and a central portion incorporating threads. A second end portion of the bore receives and engages a severable section of a frangible fastener. A pin is received in the bore and constrained from rotation by the driving mechanism. The pin has an ejection shaft with mating threads selectively receivable in the threads of the central portion of the bore. The socket body is freely rotatable with the mating threads positioned in the first end portion of the bore. Rotation of the socket body in torques the frangible fastener on a stud fracturing the severable section. Reverse rotation of the socket body engages the mating threads in the threads translating the pin. The ejection shaft ejects the severable section from the second end portion.

Various implementations of grounding clamps and torque-controlled fasteners are disclosed. The grounding clamps may be used to attach grounding conductors to various structures, such as pipes, conduit, grounding rods etc. The torque-controlled fasteners may use various techniques to control the amount of torque applied to the fasteners used with the grounding clamps described herein.

A screw insert has a a body configured to engage a threaded fastener and transmit a torque to the threaded fastener, a separable head connected to the body and a neck extending between body and the separable head. The neck is configured to break causing the separable head to separate from the body in response to a torque applied to the separable head exceeding a predetermined value.

The invention relates to a two-part tapered thread nut assembly (3402) including: a rigid inner member (3410) having an inner surface (3411, 3421) threadedly engagable with the fastener and an outer surface (3412, 3422) defined by a thread formation that forms a taper; an outer member (3420) having an inner surface (3411, 3421) defined by an inversely tapered thread formation (3425) that is threadedly engagable with the tapered thread formation (3416) of the outer surface (3412, 3422) of the inner member (3410); and wherein the two-part nut assembly (3402), when rotated by an action portion of the torque device, applies a load to the threaded fastener.

The invention is related to a threaded fastener for fastening objects including: a stud rotatably coupled to a stud-head having a bottom surface; and the bottom surface having friction coefficient increasing treatments biased in areas outward from the stud.

The invention is based on a tool device, in particular hand-held tool device, for use in a surgical method, comprising a tool receptacle, an operating unit, a torque limitation unit, a torque transmission unit and a magazine unit. The torque limitation unit is arranged between the operating unit and the tool receptacle and comprises a plurality of torque limitation elements which are provided to be destroyed when a given torque is exceeded. The magazine unit is provided to exert a thrust force onto the torque limitation elements for introducing them one by one into the torque transmission unit, and the torque limitation unit is provided to respectively receive a torque limitation element and to destroy it when the given torque is exceeded, wherein the torque limitation elements are arranged on a rotary working axle of the tool receptacle.

An operation switch sends an ON signal to a control processor indicating the operation switch is triggered by a user. A magnetic sensor sends a sensor signal to the control processor based on a displacement of a chip rod in a rearward direction. In the case where the sensor signal has not yet been sent, the control processor performs a control in a first mode where a brushless DC motor is not driven. In the case where sensor signal is sent, control processor performs a control in a second mode wherein the brushless DC motor is driven. An output in the first mode is lower than in the second mode. Because of this manner of construction, even if an ON input is triggered and held by the user, electric power is conserved while the operation switch is switched on and a hexagonal nut is not fastened, improving power consumption efficiency.

A fastening tool for fastening a nut to a bolt includes a pipe and a coupling member. The nut breaks at specified torque. The pipe has a socket wrench, a detachable structure and a suction port. The detachable structure is for attaching to and detaching from a rotor of a rotational drive device. The suction port is for suctioning a piece of the nut broken by the specified torque. The coupling member has a flow path, a first coupling portion and a second coupling portion. The flow path is for suctioning the piece of the nut from the suction port. The piece of the nut is suctioned from the suction port with an ejector. The first coupling portion couples the coupling member to a casing of the rotational drive device. The second coupling portion couples the coupling member to a duct of the ejector.

This application seeks to protect Applicant's HYTORC? Z? System which involves: tools having multi-speed/multi-torque modes with torque multiplication and vibration mechanisms without use of external reaction abutments; a force transfer means to yield in-line co-axial action and reaction for use with such tools; driving means and shifting means capable of attaching to washers under the nut for use with such tools and force transfer means; associated washers and fasteners for use with such tools, force transfer means and driving means; and related accessories for use with such tools, force transfer means, driving means, washers and fasteners.

The HYTORC? Z? System includes the following: Z? Washers located under nuts or bolt heads of various types having engageable perimeters of multiple shapes, sizes, geometries and serrations, such as washer/fastener radius engagement differentials, and frictionally biased faces with relatively higher friction against the flange surface and relatively lower friction against the nut, such as friction coefficient increasing treatment means of various types, sizes and locations; HYTORC Z? Guns incorporating a powerful impact mechanism and a precise torque multiplier in the same tool combining rapid run-down with calibrated torque; HYTORC? Z? Sockets with dual drive coaxial action and reaction having outer sleeves to react on Z? Washers and an inner sleeves to turn nuts or bolt heads; HYTORC? ZR Spline Adapters and Reaction Plates for backwards compatibility with HYTORC?'s torque/tension systems including the AVANTI? and ICE? square drive systems, the STEALTH? limited clearance system, the pneumatic jGUN? series, the FLASH? Gun and LITHIUM Series electric multipliers and more; the combination of HYTORC? Z? Washer and the HYTORC? Z? Dual Friction Washer? including a dual friction-enhanced face washer and/or the HYTORC? Z? Nut/Bolt for counter-torque under a nut or bolt head on the other side of the joint; HYTORC? Z? Dual Drive Offset Links for tight clearances while using HYTORC?'s torque/tension systems; HYTORC? Z? Vibration Mechanisms applied thereof; Z?-Direct Tension Indicating Washers; HYTORC? Z? Washer and Nut Assemblies; and any combinations thereof. Further disclosures include: Tapered Fastener Assemblies; Tapered Torsional Couplings; Two-Part Tapered Nut Assemblies; and Two-Part Tapered Thread Nut Assemblies.