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Class 411/77 - Double-faced wedge


Subclass of Class 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
Definition: Subject matter wherein the second member includes a pair
No. of patents: 19
Last issue date: 10/02/2001


NumberTitleIssue Date
6296430Push-in plug
The invention relates to a push-in plug (1) made from plastics and having at least one shank (2) to be introduced into a drilled hole, on which shank (2) there are located expansion segments (4) lying opposite one another in pairs, which are braced agains...
10/02/2001
6240156Top guide grid attachment for a boiling water reactor
A top guide assembly for securing a top guide to a shroud which enables the top guide to be remotely removed without removing any other parts of the shroud or the core support structure is described. In one embodiment, the top guide assembly includes a ha...
05/29/2001
6021547Door adjustment mechanism
An adjustment mechanism is disclosed for adjusting a support means such as wheels (5a, 5b) relative to a housing structure (2, 3) retaining said wheels (5a, 5b), the adjustment mechanism including a screw member (7) selectably movable in a direction (22) ...
02/08/2000
5846041Nonrotating, self-centering anchor assembly for anchoring a bolt in a borehole
An expandable anchor assembly is provided for anchoring the threaded end portion of an elongated roof bolt in a borehole. The anchoring assembly includes a hollow outer sleeve in the form of a plurality of symmetrically arranged, longitudinal segmented wa...
12/08/1998
5688089Fastening element for fitting into a drilled hole
A fastening element for fitting into a drilled hole and a method of fixing a fastening element in a drilled hole are proposed. In the method, an expandable sleeve is fixed in the drilled hole upon drawing of an axially movable anchor, in the direction out...
11/18/1997
5529424Dowel-type pin for connecting components, particularly furniture plates
A dowel-type pin for connecting structural components, particularly for connecting furniture plates, is in a mounted position held over a portion of its length in a receiving opening of at least one of the plates to be connected. The pin is divided in lon...
06/25/1996
5344252Key for coupling driving and driven members together
This key comprises a pair of elongated blocks each having a tapered recess; a tapered pin adapted to be inserted in a tubular tapered portion which is formed by bringing the pair of blocks together in such a manner that the tapered recesses confront, and ...
09/06/1994
5112160Rock anchor
This invention relates to a rock anchor which includes an elongated element which is composed of a plurality of elongated tension members which are arranged around the long axis of the elongated element in a circumferential spaced relationship to provide ...
05/12/1992
4575294Anchoring bolt
An anchoring bolt (1), which can produce a conical undercut by rotation in a cylindrical hole and serves simultaneously as a securing element has a connection portion (2), a shaft (4) and an insertion portion (5). The insertion portion (5) has an axially ...
03/11/1986
4548533Wedge-type fastener
A wedge-type fastener which is economical to manufacture and can be installed using known installation tools, such as those used in Europe. The fastener comprises a main body portion having an exterior adapted to be grasped by a tool to hold the same and ...
10/22/1985
4538940Arrangement for force transfer between longitudinally stressed members
For the progressive transfer of a tension or traction force from a fiber-reinforced plastic anchoring rod 10 to a threaded sleeve 20 surrounding one end of the rod, sawtooth shaped teeth are provided. The inclined flanks 6 of the teeth are increasingly lo...
09/03/1985
4537542Wedge-type low profile fastener
A wedge-type low profile fastener is disclosed which is adapted to be inserted into aligned apertures in a pair of abutting surfaces. A hex head is provided on the fastener which is engageable by a tool to rotate the same. Such rotation moves a screw havi...
08/27/1985
4518290Anchoring bolt
In order to produce conical undercutting of the bore when the anchoring bolt is driven into a previously bored hole with a percussion drill, the insertion end of the bolt has a slot into which the thin end of a wedge is inserted. Hard metal pegs set in ra...
05/21/1985
4515669Anode and connection
A tubular anode such as tubular cast iron, magnetite, graphite, carbon or steel may be provided with an easily made internal or center connection having assured uniform resistance characteristics by the employment of at least two diametrically opposed wed...
05/07/1985
4501520Expansion dowel assembly
An expansion dowel assembly is used to anchor a part to the surface of a structural member. The expansion dowel assembly is inserted into and anchored within a borehole in the structural member. The assembly includes a support tube, an anchor rod extendin...
02/26/1985
4354322Hand gun with improved barrel mounting pin
The frame of a hand pistol has in its forward end a pair of spaced furcations between which the lug on a removable gun barrel is pivotally mounted by means of an adjustable mounting pin, which permits the barrel to be pivoted between an open or loading po...
10/19/1982
4277196Fixing device for securing any part to a holding member such as a panel by inserting said fixing device into a hole of standard shape formed in said panel
The invention relates to a fixing device for securing any part to a holding member. The fixing device comprises spreadable means in a hole or bore formed in the holding member on the one hand, and on the other hand spreading means. An actuating means is p...
07/07/1981
4190293Rock splitting attachment for a breaking hammer
A rock splitting attachment for a breaking hammer comprising a primary shaft and an elongated primary wedge assembly that is telescopically attached to the primary shaft. The primary shaft has a plurality of principal wedge surfaces on its outer surface a...
02/26/1980
4151974Anchor
An anchor for resisting a pulling force applied to a cable includes an expandable outer shell disposed in an opening in a floor, an outer wedge disposed in the shell and having wedge-shaped projections engaged with the inner wall of the shell, and a rotat...
05/01/1979
 
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