Class / Patent application number | Description | Number of patent applications / Date published |
411140500 | TENSIONED ALONG THE LONGITUDINAL AXIS BY A COAXIAL FORCE APPLYING DEVICE (E.G., MECHANICAL TENSIONER) | 9 |
20080213062 | CONSTANT LOAD FASTENER - Described herein are fasteners and devices for securing together several components so that the load applied to the components is constant or nearly constant. The fasteners described herein include a hyperelastic member having first end to which a first retainer is coupled and a second end to which a second retainer is coupled. The retainers are configured to contact the structures being fastened and transfer the load from the structures to the hyperelastic member. The hyperelastic member may be an elongate shaft (e.g., a rod, cylinder, strut, etc.), and is a shape memory alloy that is typically fabricated as a single crystal. | 09-04-2008 |
20090263205 | Self Locking Tensioner - The present invention is directed to a self locking tensioner that can be used to place a piston or stud in tension. The present invention is directed to a tensioner comprising slip wedges positioned between a piston and a body which houses the piston and the slip wedges. | 10-22-2009 |
20100054892 | STRUCTURE OF RIVET FIXING DEVICE - A rivet fixing device includes a catch tab retainer tube engageable with a transmission spindle of an electrically-operated, pneumatic or battery-powered electric drill or screwdriver, an inner guide sleeve, a driver, pawls, a rivet breaker, and an outer guide sleeve. By being driven by the transmission structure of the electric screwdriver, a rivet, with a shank section thereof inserted into a front end of the rivet breaker and the rivet being fit through holes defined in steel plates, iron plates, copper plates, or aluminum plates, due to the catch tab retainer tube being depressed inward to engage the transmission spindle, is driven by the rearward movement of the catch tab retainer tube to have a fit end thereof that extends beyond the holes of the plates squeezed and deformed to form an expanded portion, serving as a positioning wall that stretches and secures the rivet between the two metal plates. | 03-04-2010 |
20100290857 | ELASTIC JOINT ELEMENT AND FASTENER ASSEMBLY INCORPORATING THE SAME - A fastener assembly for use in a joint in a work-piece comprises a first fastener component for extending through a hole in the work-piece, a second fastener component and a resilient element. The first component has a first contact portion for engaging the work-piece. The second fastener component has a second contact portion for cooperating with the first fastener component to compressively load the work-piece thereby forming the joint. The resilient element is located between the first and second contact portions so that it is it is compressed under load. The resilient element has a first stiffness characteristic when subjected to loading less than a predefined amount and has a higher stiffness characteristic when subjected to loading more than the predefined amount. | 11-18-2010 |
20110116887 | ALIGNED AND AXIALLY LOADED PIG INJECTOR VALVE, THREADED CONNECTION AND METHOD FOR CONNECTING THREADED MEMBERS - A threaded connection comprising a first threaded member threadably connected with a second threaded member and an axial loading member. The first threaded member defines an opening for passage of the axial loading member therethrough, wherein the axial loading member protrudes from the first threaded member when in an extended position. The second threaded member has a loading surface defining a recess therein for receipt of the axial loading member when in the extended position such that the axial loading member bears on the loading surface and imparts an axial tensile force between the first and second threaded members. A method for connecting the members includes threading together the first and second threaded members, and passing the axial loading member through the opening defined by the first threaded member, so as to bear on the second threaded member within the recess, imparting the axial tensile force between the threaded members. | 05-19-2011 |
20110188960 | METHOD FOR TENSIONING SCREW BOLTS, AS WELL AS SCREW BOLT AND SCREW BOLT TENSIONING DEVICE FOR CARRYING OUT THE METHOD - This invention relates to a method for hydraulically tensioning screw bolts as well as to screw bolts and screw bolt tensioning devices for carrying out the method. It is proposed to apply the total pretensioning force for one part via an external thread and for the remaining part via an internal thread of the bolt end. | 08-04-2011 |
20110217140 | Blind Rivet - The invention relates to a blind rivet and a rivet pin that is connected or can be connected to the tool and is used to apply the blind rivet. Said rivet pin can be connected, by means of a rivet positioning tool, to a part of the blind rivet designed for said tool. When the blind rivet is inserted into a hole up to the abutment of an abutment shoulder formed on a flange, said contact place can be lengthened by means of the rivet pin acting as a traction element, in order to deform the rivet pin such that it fixes in the opening. | 09-08-2011 |
20130189047 | Low Torque Tension Relief System for Threaded Fasteners - A low torque tension relief system for threaded fasteners comprises an inner body with two sloped surfaces, upper and lower wedges which convert longitudinal movement of the inner body to a dimension change in the transverse direction, an outer body which acts to inhibit said movements, and a restraining bolt which passes through the outer body and engages the inner body thereby anchoring said inner body with said outer body and selectively restricting or promoting relative movement of said inner body compared to said outer body. | 07-25-2013 |
20150147132 | HIGH SHEAR CAPABILITY INTERFACE - A connection between a first component and a second component is provided including a first hole formed in a portion of the first component and a second hole formed in a portion of the second component. The second hole is aligned with the first hole. A pin includes a through hole having a pin hole diameter. The pin extends through a portion of the first hole and into a first portion of the second hole. The pin is configured to absorb a shear load applied to the connection. A bolt extends through the second hole and the pin such that a clearance fit is formed between the bolt and the pin. The bolt is configured to absorb an axial load applied to the connection. A nut connected to the free end of the bolt limits movement of the bolt relative to the first and second component. | 05-28-2015 |