Abstract: An offset drive link assembly for transmission and multiplication of torque from a power tool for tightening or loosening a threaded fastener includes: a drive force input assembly having a drive force input engagement to receive a first turning force from the device acting in a first direction; a drive force output assembly, operatively engageable with the drive force input engagement, having a drive force output engagement to transfer the first turning force to the fastener; a reaction force assembly having a reaction force input engagement to receive a second turning force from the device in a second direction and a reaction force output engagement including: a recess to transfer the second turning force to a stationary object formed as a washer under the threaded fastener nonrotatably engageable with the recess; and a removably and rotatably engagable reaction force transfer fixture formed as a reaction arm.

Abstract: 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.

Abstract: 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.

Abstract: Apparatus for supplying a fluid to a device for tightening or loosening fasteners including a first fluid-transmitting element (130) having a first axis connectable with a housing of the device; a second fluid-transmitting element (140) rotatably connectable with the first element (130) about a second axis substantially perpendicular to the first axis; a third fluid-transmitting element (150) rotatably connectable with the second element (140) about a third axis substantially perpendicular to the second axis and connectable with a fluid-transmitting line; and first and second fluid conduits that transfer fluid to and from the device and the fluid-transmitting line through the first, second and third elements. The first element is rotatable 360° about the first axis; the second element is rotatable 360° about the second axis; and the third element is rotatable less than 360° about the third axis.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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 shitting 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.

Abstract: Apparatus for tightening or loosening fasteners pneumatically, electrically, hydraulically and manually driven are disclosed, and in one example includes: a receiving member, rotatably supported in the apparatus for tightening or loosening, for receiving the fastener; a device for effecting rotation of the receiving member to tighten or loosen the fastener; and an apparatus which transfers a reaction force during tightening or loosening of the fasteners. The apparatus which transfers a reaction force includes: a first force-transmitting element rotatably attachable about a turning force axis of the device for effecting rotation; and a second force-transmitting element either rotatably attachable about, extensibly and retractably attachable along, or rotatably attachable about and extensibly and retractably attachable along at least a portion of the first element.

Abstract: An offset drive link assembly for transmission and multiplication of torque from a power tool for tightening or loosening a threaded fastener includes: a drive force input assembly having a drive force input engagement to receive a first turning force from the device acting in a first direction; a drive force output assembly operatively engageable with the drive force input engagement, having a drive force output engagement to transfer the first turning force to the fastener; and a reaction force assembly having a reaction force input engagement to receive a second turning force from the device in a second direction and a reaction force output engagement to transfer the second turning force to a stationary object.

Abstract: A method of tightening and loosening threaded connectors in an object includes threadingly connecting a nut with a bolt introduced in the object with interposition of a washer between the nut and the object, turning the nut by a tool to tighten or loosen the bolt in the object with interposition of the washer, forming the washer with an outer body having a radially inner opening larger than a diameter of the bolt and radially outer surface adapted to absorb a reaction force of the tool, optionally also with a radially inner segment engageable with a thread of the bolt and connectable to the radially outer body with a limited axial frictional movement relative to the outer body, and optionally also with a spacer locatable between the radially inner segment and the nut, interposing only said radially outer body of the washer between the nut and the object for regular applications, optionally interposing the radially outer body and the radially inner segment together between the nut and object for applications w

Abstract: Apparatus for supplying a fluid to a device for tightening or loosening fasteners including a first fluid-transmitting element (130) having a first axis connectable with a housing of the device; a second fluid-transmitting element (140) rotatably connectable with the first element (130) about a second axis substantially perpendicular to the first axis; a third fluid-transmitting element (150) rotatably connectable with the second element (140) about a third axis substantially perpendicular to the second axis and connectable with a fuid-transmitting line; and first and second fluid conduits that transfer fluid to and from the device and the fluid-transmitting line through the first, second and third elements. The first element is rotatable 360° about the first axis; the second element is rotatable 360° about the second axis; and the third element is rotatable less than 360° about the third axis.

Abstract: The invention relates to a drive unit for a power operated tool for the generation of a screw pretensioning force, with a pump unit (2), a valve unit (3) arranged on the pump unit with a pressure-restricting pressure valve (4) and a control unit (2) for activating the pump unit. In order to provide a drive unit that eliminates the risk of an incorrect setting of the setting parameter, it is provided that a processing unit (5) with an output unit and a data capturing unit (6) connected and/or integrated with the processing unit are provided, wherein the processing unit is designed for the output of the value to be set on the pressure valve based on the screw connection process parameters determined with the data capturing unit.

Abstract: According to a first aspect of the invention we provide an apparatus for tightening a threaded fastener including:—a pulling device, threadedly engageable with an extruding part of a shank of a fastener, which pulls the shank, the pulling device having:—a first pull setting which achieves closure of a joint; a second pull setting which substantially frees a nut from a surface of the closed joint; a turning device, engageable with the nut, which turns the nut on the shank, the turning device having:—a torque setting which turns the nut with a predetermined torque to maintain joint closure; a turn setting which turns the nut by a predetermined degree of rotation; and at least one controlling device which controls the pulling and turning devices.

Abstract: Apparatus for tightening or loosening fasteners pneumatically, electrically, hydraulically and manually driven are disclosed, and in one example includes: a receiving member, rotatably supported in the apparatus for tightening or loosening, for receiving the fastener; a device for effecting rotation of the receiving member to tighten or loosen the fastener; and an apparatus which transfers a reaction force during tightening or loosening of the fasteners. The apparatus which transfers a reaction force includes: a first force-transmitting element rotatably attachable about a turning force axis of the device for effecting rotation; and a second force-transmitting element either rotatably attachable about, extensibly and retractably attachable along, or rotatably attachable about and extensibly and retractably attachable along at least a portion of the first element.

Abstract: A washer for tightening and loosening threaded connectors includes an outer body having a radially inner opening larger than a diameter of a bolt and a radially outer surface adapted to absorb a reaction force of the bolt; and optionally a radially inner segment, and a spacer locatable between the radially inner segment and the nut, so that when only the radially outer body is interposed between the nut and the object for regular applications the washer functions as a reaction washer, when the radially outer body and the radially inner segment are interposed together between the nut and the object for applications when even and accurate bolt elongation is necessary the washer functions as a tension washer, and when the radially outer body, the radially inner segment, and the spacer are interposed between the nut and the object for applications when a precise bolt elongation is needed and a bolt elongation must be controlled the washer functions as a high precision washer.

Abstract: A safety torque intensifying tool has a housing, a torque intensifying unit providing at least two modes of operation including a first mode in which the tool operates with a high speed and a low torque and a second mode in which the tool operates with a low speed and a high torque, a grip to be held by a tool operator, an additional element acting as a handle for better gripping in the first mode in which the tool operates with the high speed and low torque and also as a reaction arm to abut against a stationary object to stop the housing from turning in the second mode when the tool operates with the low speed and the high torque, and a switching unit for switching the tool between the first and second modes and configured so that when the operator does not act on the switching unit the tool is in the second mode of operation with the low speed and the high torque, and when the switching unit is switched by the operator while the additional element acts as a handle, the tool is switched to the first mode of

Abstract: A method of tightening and loosening threaded connectors in an object includes threadingly connecting a nut with a bolt introduced in the object with interposition of a washer between the nut and the object, turning the nut by a tool to tighten or loosen the bolt in the object with interposition of the washer, forming the washer with an outer body having a radially inner opening larger than a diameter of the bolt and radially outer surface adapted to absorb a reaction force of the tool, optionally also with a radially inner segment engageable with a thread of the bolt and connectable to the radially outer body with a limited axial frictional movement relative to the outer body, and optionally also with a spacer locatable between the radially inner segment and the nut, interposing only said radially outer body of the washer between the nut and the object for regular applications, optionally interposing the radially outer body and the radially inner segment together between the nut and object for applications w