Class 411/39 - Frangible member

Subclass of Class 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
Definition: Subject matter wherein a weakened area is provided on the
No. of patents: 40
Last issue date: 04/01/2008

Number	Title	Issue Date
7351235	Snivel removing device A snivel removing device includes a housing having a partition to form two chambers and an outlet port and an inlet port communicating with the chambers. One or more bladders are attached to the housing, and communicating with the chambers, and compressible and expa...	04/01/2008
7278341	Structural bolt security apparatus A structural bolt security apparatus includes a security nut forming a threaded central hole for a bolt; the security nut has a groove in an upper surface and/or a side surface. At least one groove is at least partially separated from the threaded central hole by th...	10/09/2007
7261505	Self-drilling anchor In one aspect, an anchor may include a threaded body, and a coaxial nut, wherein the anchor has a driving mode and an anchoring mode with the nut drawn rearwardly into the body by a threaded fastener to open the body radially outwardly. In another aspect, a one-piec...	08/28/2007
7198444	Multi-grip blind rivet A multi-grip blind rivet 74 includes a rivet body 82, adapted to receive a portion of a mandrel 76. A plurality of indentations 88 are formed in an outer surface 86 of the rivet body 82 in each of three axially spaced transa...	04/03/2007
5947667	Structural blind fastener Extended fatigue endurance and high pre-load are achieved in a structural blind fastener by combining the best features of screw type and pull type blind fasteners. We replace fatigue critical details from the shear plane with close tolerance, slip fit, c...	09/07/1999
5816761	Lightweight structural blind fastener We achieved extended fatigue endurance and high pre-load in a structural blind fastener by combining the best features of screw type and pull type blind fasteners. We replaced fatigue critical details from the shear plane with close tolerance, slip fit, c...	10/06/1998
5743618	Optical axis adjustment structure for vehicular lamps and method for assembling same An optical axis adjustment structure which includes an aiming adjustment screw having a ball part disposed at one end thereof for receiving and being supported by a movable part of a lamp or the like, an intermediate part screw-engaging with a nut member ...	04/28/1998
5628579	Expansion dowel with sleeve and expansion member The expansion dowel includes an expansion sleeve (1) and an expanding member (5). The expansion sleeve 1 is provided with a bore (2) tapering in the setting direction as well as with open ended longitudinal slots (3). The expanding member (5) has a blind ...	05/13/1997
5603592	High strength blind bolt with uniform high clamp over an extended grip range In general a blind fastener for securing workpieces is shown and which blind bolt has a core pin with a blind side head and a plurality of threads or locking grooves and a nut adapted to be threaded onto the pin threads; the blind bolt which has a main sl...	02/18/1997
5282698	Threaded fastener, method of fabrication thereof and method of supporting a mine roof using such a fastener A threaded fastener and method of fabrication thereof wherein the fastener or nut includes a first portion having external, wrench-engaging surfaces and a central, through bore, internally threaded for at least a portion of its length from a base surface....	02/01/1994
5051038	Barrier plug for dynamic rock stabilizing fixture A device for a bore formed in a geological structure, the bore having an outer circumferential wall. A bolt is inserted into the bore. A sleeve secures a first axial portion of the bolt to a first portion of the circumferential wall. Grout secures a secon...	09/24/1991
5037257	Wall plug and anchor assembly Disclosed is an anchor assembly especially for use in a plastic wall-panel which comprises a plug formed of a forward section comprising a tapering plastic board-piercing part and an integral ram head, and of a hollow cylindrical section pivotably connect...	08/06/1991
5033163	Mechanism for attaching an automobile door A hinge pin is temporarily held on a first hinge member on the automobile body by means of a hinge pin support mechanism. A door to be attached to the automobile body is held in position, and a second hinge member on the door is brought into engagement wi...	07/23/1991
4968199	Expansible plug to be percussion anchored in a borehole that tapers outward at an inner end thereof An expansible plug to be percussion anchored in a borehole that tapers outward at an inner end thereof comprising an expansible sleeve, expansible segments arranged at an expandable end of the expansible sleeve, an expander member for penetrating into a c...	11/06/1990
4943253	Axial immobile fastener-receiving member A fastener-receiving member is disclosed that can be used with either a blind hole or a hollow wall. In addition, the length of the fastener-receiving member can be adjusted to be accommodated within various thicknesses of walls. The nut portion of the fa...	07/24/1990
4854793	Cone expansion wall plug A cone expansion wall plug is provided comprising a threaded rod, an expansible socket, an expansion cone, an intermediate ring and a spacer between the head of the rod and said intermediate ring. During expansion and anchorage of the socket by the cone, ...	08/08/1989
4832547	Breaking type expansion fastener An expansion fastener comprises a female member including a cylindrical portion, a flange portion and a plurality of elastic leg portions, and a male member including a shaft portion to be fitted in the cylindrical portion, a head portion provided at the ...	05/23/1989
4732517	Anti-tamper fastener shielding apparatus Apparatus for assembly with a bolt or screw upon installation thereof to prevent tampering therewith, including a one piece collar device having an outer annular jacket member with a restricted collar portion and an inner annular washer member detachably ...	03/22/1988
4715755	Securing device for securing in cavities A securing device for securing in cavaties and comprising a number of clamping jaws (11), provided under influence of a changeable tension body (21) to expand against opposite wall portions (13) in said cavity. The clamping jaws (11) have engagement surfa...	12/29/1987
4679966	Roof bolt apparatus with expansion shell and coupling An elongated rod with an expansion shell assembly positioned on the upper end thereof is advanced into a bore hole drilled in rock formation behind a resin cartridge system. The lower end of the rod is connected by a coupling to the upper end of a bolt ha...	07/14/1987
4678383	Expansion anchor assembly An expansion anchor assembly for use in a bore with an undercut section adjacent the base of the bore, includes an axially elongated expansion sleeve and an anchor bolt positioned within the sleeve with an expansion cone at one end of the bolt. The expans...	07/07/1987
4678374	Roof bolt with expansion shell and threaded nut An elongated rod with an expansion shell assembly positioned on the upper end portion thereof is advanced behind a resin cartridge system into a bore hole drilled in a rock formation. A bearing plate and a stop nut are positioned on the end of the rod eme...	07/07/1987
4673320	Anchor dowel assembly An anchor dowel assembly includes an axially elongated sleeve with window-like openings extending through its wall transversely of the axial direction. Locking members are positionable within the window-like openings for displacement radially outwardly fr...	06/16/1987
4669935	Expansion dowel assembly An expansion dowel assembly is made up of an axially elongated generally cylindrically shaped dowel body and at least one wedge-shaped expansion member formed monolithically with the dowel body. The dowel body has a first or leading end which is inserted ...	06/02/1987
4611828	End members for bicycle pump connectors End members for flexible connectors for bicycle pumps are provided, a first end member is fixed to one end of a flexible tube and to be connected to a valve of a tire and the second end member is to be connected to the other end of the flexible tube for c...	09/16/1986
4516885	Method and apparatus for combining resin bonding and mechanical anchoring of a bolt in a rock formation A mechanical anchor including an expansion shell and a camming plug positioned in the shell is threaded onto the end of a mine roof bolt. A roof support plate is carried on the opposite end of the bolt. The mechanical anchor is inserted in a bore hole dri...	05/14/1985
4482277	Expansion anchor assembly An expansion anchor assembly is made up of an anchor bolt and an expansion sleeve encircling and secured in an annular recess on the bolt. Adjacent the annular recess, the anchor bolt has a frusto-conical section. The expansion sleeve has diametrically op...	11/13/1984
4453845	Base thrust anchor shell assembly Base thrust anchor assembly for use with roof bolts and base plate having means to provide deep penetration of the rock strata and provide large areal distribution of the longitudinal load in order to prevent overstressing the rock strata. The assembly em...	06/12/1984
4419805	Method for combining resin bonding and mechanical anchoring of a bolt in a rock formation A mechanical anchor including an expansion shell and a camming plug positioned in the shell is threaded onto the end of a mine roof bolt. A roof support plate is carried on the opposite end of the bolt. The mechanical anchor is inserted in a bore hole dri...	12/13/1983
4402637	Self-drilling dowel A self-drilling dowel is formed by a tubular member defining an axially extending bore. The tubular member has a leading end and a trailing end with a cutting head at the leading end. A spreader member is insertable into the bore for expanding the tubular...	09/06/1983
4314885	Industrial technique A technique is provided for engaging and disengaging burnable poison rods from the spider in a fuel assembly. The cap on the end of each of the burnable poison rods is provided with a shank that is received in the respective bore formed in the spider. A f...	02/09/1982
4312611	Fastening element assembly with a spreading wedge A fastening element assembly consists of an anchoring bolt and a spreading wedge. After the assembly is inserted into a prepared borehole, by driving the spreading wedge inwardly relative to the anchoring bolt, the bolt is secured in the borehole. To ensu...	01/26/1982
4285264	General purpose hollow wall toggle fastener A hollow wall fastener using a conventional toggle bolt and a toggle anchor which is pointed and which has an open groove for receiving the toggle bolt. An end cap within the anchor has an internally threaded head portion and a frangible portion which all...	08/25/1981
4277196	Fixing 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
4262577	Fastener A fastener for use with a connecting element such as a screw comprises a thickened head of a firm but plastic material, a shank, and a tail. The head and shank are first placed into a hole; then a connecting element such as a screw is inserted alongside o...	04/21/1981
4218954	Screw fastener for a round hole Fastening device of plastics material for a round hole, designed to receive a screw enabling mounting with a high gripping torque and this even in thin sheet metal. It includes a principal element capable of becoming clipped in a round hole of a support a...	08/26/1980
4216697	Two-piece reusable fastener A two-piece plastic fastener or rivet which comprises an anchor member having a shank portion and an enlarged head through both of which is formed an axial bore. A locking plug is disposed within the bore. The locking plug includes enlarged heads formed a...	08/12/1980
4203346	Blind bolt fastener for low bearing strength materials A blind fastener has a nut with a threaded bore, a core bolt having external threads for receipt by the nut, and a sleeve for expansion by the head of the core bolt and a shoulder of the nut to form a blind side folded bulb against the backside sheet of a...	05/20/1980
4044647	Spreadable anchor assembly The present invention provides a spreadable anchor assembly comprising a plural leg flange nut with a perforated cap carrying a driven spreader, the cap being made of thick paper and having centrally a perforated circular line inside the top opening of th...	08/30/1977
3951367	Fastener The present invention relates to a fastener consisting of a first portion arranged to hold an element, preferably a cable, and a second, peg-shaped portion arranged to be introduced into a hole in a base and to be expanded into engagement with the walls o...	04/20/1976

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Class 411/39 - Frangible member