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Document |
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8132767 |
Quick threaded rod locking devices and method
A threaded rod hanger has quick lock plunger mechanism that includes plunger pieces within a tapered bore in a housing. The plunger pieces have tapered outer surfaces. A spring within the housing...
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7717412 |
Spring-pressurizing unit and fitting-washer
A spring-pressurizing unit includes a pair of screw members which are respectively formed with male and female screws to be screwed to each other and in which after the male and female screws are...
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7614835 |
Simple fastening device
A simple fastening device has a structure where a lock piece is forced by a spring to engage with an axial member in a case 1. When the axial member 6 is inserted into the case, the lock piece is...
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7584932 |
Construction prop
A construction prop includes an outer tube and an inner tube wherein the inner tube telescopically fitted in the outer tube. The top end of the outer tube has a threaded section axially formed with...
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7564668 |
Overvoltage protection means
An overvoltage protection device for use in power supply, especially low voltage systems, is described, with a housing (2), a first electrode (3), at least one second electrode (4), an arc chamber...
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7284939 |
Fastener with tightening structure
A tightening structure for locking, comprises a nut, a bolt, and a washer with a hole through which an axis of the bolt passes. To enable the structure to lock more firmly, a recessed part...
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7220091 |
Fastening nuts with loosening assist functions
A fastening nut includes an operation member, a female threaded member, and a control device. The operation member is operable by an operator to rotate in a fastening direction and a loosening...
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6685413 |
Connection element for connecting a bolt-supported part with the supporting bolt
A connection element for a bolt and having a bolt-receiving member (1) the bore of which has a cylindrical receiving region (4) and a tapering, at least sectionally, in a direction opposite to an...
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6416268 |
Mechanical fastening apparatus
A taper nut retention device mechanically fastens a plurality of pressure reduction disks. A cage end member at one end of the stacked disks has a series of counterbores, each aligned with...
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6244806 |
Locking washer and locking apparatus using the same
A locking apparatus includes an inner ring having a tapered outer shape and permitting a bolt of a fastener, with which construction elements are fastened, to pass therethrough, an outer plate...
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6050764 |
Measuring device having a cylindrical connection piece and a fastening collar therearound
A measuring device is provided, having a cylindrical connection piece (1), having a collar (2) which engages around at least one section of the connection piece (1) and is to be fastened at a...
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5980176 |
Nut structure having anchor pin blocking split sleeve against rotation in nut body
A nut device which comprises a hollow body structure having a side wall, end walls, and a tapered bore, the body structure defining a longitudinal axis; a sleeve extending in the body substantially...
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5387239 |
Adjustable length prosthetic implant
An adjustable length prosthetic implant includes an implant body and an axially received stem. The stem has a threaded portion and an end portion adapted for mounting with a bone. The implant body...
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5381606 |
Aeration devices and methods
A bin aeration device includes a skirt mounted to a bin wall by a stem including an exterior surface with a first portion having straight American National Standard pipe threads. A second portion...
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4864884 |
Ball nut and means for attaching a mounting flange thereto
A ball nut having a ball return tube is formed with an externally threaded stud for supporting a mounting flange which is adapted to be screwed onto the stud. Angularly spaced segments of...
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4842485 |
Balanced turbine rotor and method for making the same
A balanced turbine rotor has a cylindrical member with a pair of opposed end shafts and an enlarged central portion, the enlarged central portion having first and second faces, with a circular...
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4369012 |
Device for tightening or blocking of an object on a rod
An element adapted to engage a rod is composed of a tough synthetic-resin material and is tubular so as to receive the rod. Relatively long slots opening at one end of the element are aligned with...
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4244607 |
Cylindrical threaded connection
A cylindrical threaded connector is provided with a small amount of taper to produce a controlled radial interference to prevent inadvertent thread disengagement. The threaded connector is...
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4172606 |
Fluid conduit connector
Plastic pad at center of concave bevel of each semicircular segment maintains lateral and axial alignment when segments spread apart by pipe. In another special configuration, inside and outside...
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3887990 |
Method of securing two members together with a fastener
A fastener including a knurled stud inserted into a tapered and slit nut insert with a jam nut forced thereon for compressing the tapered nut insert into locking engagement with a knurled portion...
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3508774 |
SAFETY NUT ASSEMBLY
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3390712 |
Self-locking fastener
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3385338 |
Lock nut structure and method of making the same
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3381732 |
Locknut
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3332463 |
Resilient nut and collar therefor
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3086796 |
Pipe coupling with wedging locking means
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3003795 |
Tube coupling having a resilient metal sealing sleeve
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2990200 |
Fluid pressure seal for a threaded joint
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2932898 |
Structures useful in micrometer calipers
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2886087 |
Lock nut having a conically tapered reduced end portion
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2882948 |
Lock nut having contractible core actuable in two locking positions
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2839115 |
Cone-grip, distorted thread lock-nut
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