Equipment for tightening threaded fasteners

A technology for threaded fasteners and equipment, used in screwdrivers, manufacturing tools, wrenches, etc., to solve problems such as inability to use approach or reach fasteners

Active Publication Date: 2018-04-27
HYTORC DIV UNEX CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Often, these fasteners cannot be accessed or reached at all with tools readily available to the operator, for example due to protruding threads, limited clearance and obstructions in bolting applications

Method used

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  • Equipment for tightening threaded fasteners
  • Equipment for tightening threaded fasteners
  • Equipment for tightening threaded fasteners

Examples

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Embodiment Construction

[0022] For example, refer to figure 1 , which shows an exploded perspective view of an embodiment of the present invention in the form of an apparatus 1 or offset drive linkage assembly 1 for delivering and increasing input from means for tightening or loosening threaded fasteners (not shown) ( not shown) torque. The device 1 includes: a driving force input assembly 100 ; a driving force output assembly 200 ; and a reaction force assembly 400 . The apparatus 1 also includes a drive idler assembly 300, although it will be appreciated that this is not required. For example, refer to figure 2 , which represents a perspective view of device 1.

[0023] The driving force input assembly 100 includes a driving force input gear 101 or a driving force input engaging portion 101 formed between the first and second reaction force assembly housings 401 and 405 . The first driving force input gear sleeve 102 is formed between the first reaction force assembly housing 401 and the drivi...

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PUM

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Abstract

An offset drive linkage assembly for transmitting and increasing torque from a power tool for tightening or loosening threaded fasteners, comprising: a drive force input assembly; a drive force output assembly and a reaction force assembly. Preferably, said offset drive linkage assembly: enables access to fasteners that were previously inaccessible (e.g. due to protruding threads, limited clearance and obstructions); or pneumatically actuated devices; the ability to use previously unavailable advanced materials such as aircraft-grade aluminum; the ability to produce modular components such as hexagonal reducing and hexagonal increasing drive bushings, male and female drive adapters, To meet bolting application characteristics; Capable of producing precisely tailored torque multiplication; Controls drive and reaction force application; Overcomes corrosion, thread and surface deformation; Avoids galling of bolt threads; Eliminates side loads; Balances bolt loads; simplifies the use of linkages and tools; reduces the risk of operator error; increases the safety of bolted connections.

Description

[0001] Cross References to Related Applications [0002] This application is a continuation or continuation-in-part of the following commonly owned and co-pending patent application, which is incorporated herein by reference in its entirety: U.S. Patent Application No. 61 / 815,428, filed April 24, 2013, Titled "APPARATUS FOR TIGHTENING THREADED FASTENERS"; U.S. Patent Application No. 61 / 903254, filed December 12, 2013, titled "APPARATUS FOR TIGHTENING THREADED FASTENERS"; U.S. Patent Application No. 61 / 916926, filed and U.S. Patent Application No. 61 / 940919, filed February 18, 2014, entitled "APPARATUS FOR TIGHTENING THREADED FASTENERS." [0003] The new technology disclosed in this application advances the technology disclosed in the following commonly-owned issued patents and patent applications, which are incorporated herein by reference in their entirety, including: U.S. Patent No. 5,140,874, published August 25, 1992 , entitled "FLUID-OPERATED WRENCH"; US Patent No. 7451672...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B25B13/48B25B17/00B25B17/02B25B23/00
CPCB25B17/00B25B17/02B25B23/0078B25B13/481B25B7/10
Inventor J·K·琼克斯P·克彭赫弗
Owner HYTORC DIV UNEX CORP
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