Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
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| Number | Title | Issue Date |
| 8137040 | Lock nut A lock nut capable of improving a fastening force of a fastening nut and the lock nut is provided. The lock nut includes a body having a threaded throughhole and a groove formed at a circumferential edge thereof. A plurality of projections are formed in the groove a... | 03/20/2012 |
| 8100617 | Fastener system with frangible member A fastener system having a threaded shaft and a threaded body assembly. The threaded body assembly includes first and second bodies each having a threaded bore. A frangible member couples the two bodies together in an initial configuration. The two bodies are thread... | 01/24/2012 |
| 7306604 | Clamping nut for an osteosynthesis device A clamping nut suitable for co-operating with a threaded shank of an osteosynthesis appliance, the nut including an annular body and a tapped bore for cooperating with the threaded shank. The annular body is provided with a structure which enables turning the body a... | 12/11/2007 |
| 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 |
| 7246980 | Fixing member comprising an integrity control system The invention concerns a fastening member comprising a threaded part (150) and a head (100) with which the threaded part can be turned in order to tighten the fastening member in a corresponding element. The head (100) is formed of a plate (1... | 07/24/2007 |
| 7216860 | Bearing seat of a tension strut made of composite materials A mount support of a force connection strut is provided manufactured from plastic/metal composite materials for a chassis of a motor vehicle. The force connection strut has an elongated basic body and a sleeve (H) passing through the basic body. The sleeve (H) has a... | 05/15/2007 |
| 7172380 | Wheel nut assembly A wheel nut assembly includes a stud (1), a main wheel nut (4) mountable on threads (3) provided on the stud, and a retaining nut (6) engageable with threads (5) provided on the stud to prevent accidental loosening of the wheel nut... | 02/06/2007 |
| 7101131 | Attachment system An attachment system for securing a rod member in a mounting opening of a constructional component (44; 74; 97) includes a receiving sleeve (5; 37; 64; 73; 93) for receiving the rod member (23; 40), and an actuation member (4; 35; 62; 72; 81;... | 09/05/2006 |
| 7011584 | Self-attaching female fasteners and method of forming female fastener elements A method of forming a female fastener including rolling a body portion strip having a midportion and flange portions on opposed sides of the midportion, piercing spaced openings through the midportion, cutting the strip to length between the openings, cold forming a... | 03/14/2006 |
| 7004701 | Tamper resistant rotably shrouded security cap and tool A tamper resistant rotably shrouded security cap and tool for preventing unauthorized access to a fluid handling system. The shroud and cap have cooperating engagement means that allows the shroud to rotate freely about the security cap, such that a grip on the shro... | 02/28/2006 |
| 7003862 | Power tool and method of assembling parts using a two-part separable washer A washer has a body having an axis and provided with a first bearing face surface located at one axial side and adapted to cooperate with a nut, a second bearing face surface located at an opposite axial side and adapted to cooperate with an object, at least one thi... | 02/28/2006 |
| 7000995 | High-integrity interlocking nut and washer system An interlocking nut and washer system exhibits a very high degree of inherent mechanical stability. The preferred embodiment includes an inner washer, an adjustment nut, an intermediate washer, and an outer nut completing an interlock assembly. Although the inner wa... | 02/21/2006 |
| 6976816 | Combination lock washer and spindle bearing assembly The present invention relates to a connection between a spindle and a bearing assembly to retain the bearing assembly on the spindle. A combination lock washer and spindle bearing assembly is provided to include a spindle, thrust washer, lock washer and nut in which... | 12/20/2005 |
| 6945829 | Self-locking screw connection A self-locking screw connection includes a cylindrical thread section (130) and a nut (300) that can be snapped onto the cylindrical thread section (130). The nut (300) has a thread that is divided into several thread segments (322... | 09/20/2005 |
| 6929439 | Washer for fastener and for fastening of objects A washer to be applied between a nut threadingly connected with a bolt which has an axis and is introduced into an object including two parts to be assembled, the washer has a body having an axis and provided with a first bearing face surface located at one axial si... | 08/16/2005 |
| 6146070 | Bolt/nut unfastening preventing structure After a bolt (3) and a double-structured nut (6) are fastened to each other, it is not possible to unfasten the bolt (3) and nut (6), because a predetermined part of the nut (6) is designed to break when subjected to a predetermined torque necessary for f... | 11/14/2000 |
| 5954467 | Method and apparatus for anchor bolt reinforcement An apparatus for attaching an item to a floor comprising an anchor bolt, an anchor nut, and an annular collar comprising an upper annular outer ring, a lower annular ring, and an annular side wall connecting the rings, the annular collar held in place ove... | 09/21/1999 |
| 5513228 | Clamp for two tubular components, having a safety blocking device, and use of such clamp The clamping and locking device (18) of the clamp includes a screw (22) arranged in a direction which is transverse with respect to the articulated elements of the clamp and engaged through two blocks (19, 19') bearing on two articulated elements of the c... | 04/30/1996 |
| 5385360 | Headset locking mechanism Locking the headset of a steering post of a bicycle is accomplished by this invention where the steering post or threaded body projects coaxially through a cylindrical journal mounted at the front end of the bicycle frame. Bearing cups are secured in each... | 01/31/1995 |
| 5154560 | Self-locking lock nut A self-locking lock nut assembly comprising working nut part (9) possessing a split annular sleeve extension upon which is mounted by springing locking part (10), which utilizes only the energy of vibration to translate counter-clockwise rotation of locki... | 10/13/1992 |
| 5137408 | Fastening device A fastening device comprises a pin-shaped fastener having an axis, and means for tightening and loosening the fastener, the tightening and loosening unit including one element provided with first connecting means for connecting the one element with the fa... | 08/11/1992 |
| 5131796 | Security fastener for threaded objects An improved fastener is provided for mounting an object to a base, wherein the object has a threaded shaft extending through a hole in the base. The fastener includes a collar having a side wall, a first end with a threaded aperture for receipt on the sha... | 07/21/1992 |
| 5071300 | Shrouded jam locknut A shrouded jam locknut including a body member of frustoconical configuration having a larger base and a smaller base, a recess extending inwardly into the body member from the larger base and terminating at a shoulder for bearing against a nut in locking... | 12/10/1991 |
| 5049017 | Laminated nut with anti-spin off structure and method of making nut A laminated nut structure and method of making same with the nut structure having a plurality of coned disc washers having a common threaded bore with the disc washers being held in a cage having fingers gripping the disc washers with at least one of the ... | 09/17/1991 |
| 4957020 | Adjustable plier This disclosure is directed to the use of an adjustable hand tool which employs means to prevent the separation of the cross members. Specifically the invention uses an arcquate circular cross section rib which selectively engages one of several arcquate ... | 09/18/1990 |
| 4940377 | Laminated nut having cage with nested fingers and method of manufacture A laminated nut comprising a plurality of conical spring discs or spring washers and a cage for receiving and holding the spring discs in a stacked, aligned relationship to define a central opening threaded to the matably received upon an associated threa... | 07/10/1990 |
| 4909689 | Double locknut assembly Provided is a double locknut assembly composed of a first nut and a second nut for fastening the first nut onto a bolt, wherein the above-mentioned first nut is formed therein with a bolt hole formed therein with a female screw thread threaded to engage w... | 03/20/1990 |
| 4893977 | Self-locking unit An improved self-locking nut comprising a threaded upper collar provided with longitudinal slots defining in the collar a plurality of circular arc segments compressed by a helical external spring. The slots may widen upwardly in V or U-shape to prevent t... | 01/16/1990 |
| 4880343 | Lock nut having lock member of shape memory recovery alloy A lock nut comprising a lock member prepared from a shape memory alloy and serving as a backup member for a fastening nut.... | 11/14/1989 |
| 4796581 | Centrifugal rpm governor for internal combustion engines The governor includes a torque-control capsule actuated by a governor member that adjusts in accordance with rpm and disposed in a force-transmitting member subject to the force of a governor spring, by means of which torque-control capsule both the onset... | 01/10/1989 |
| 4794899 | Correction spring capsule for injection devices of internal combustion engines A correction spring capsule which has a stop bolt inserted in a stepped longitudinal bore of a housing embodied as a screw sheath, a correction spring and an adjusting screw, which forms the abutment for the correction spring. This adjusting screw has the... | 01/03/1989 |
| 4656994 | Bowstring release device and adjustable bow sight A bow system that includes a release mechanism that engages simultaneously a spool on the bowstring and a nock on the arrow that are arranged to automatically hold the arrow centered during the arrow drawing and release procedures. A rear sight is further... | 04/14/1987 |
| 4619568 | Heat recoverable locking device A retaining member (26) is constructed undersized from a memory metal for permitting a member (26) disposed in an element retaining position to recover and grippingly engage a stud (12) on which the member (26) is arranged. The retaining member (26) can b... | 10/28/1986 |
| 4602903 | Anti-theft safety nut An anti-theft nut for forward threading on a threaded member and having removal preventing means. The nut has a nut case with an axially extending skirt and two axially extending blind bores, and a bottom nut attached to the skirt to define and inner cavi... | 07/29/1986 |
| 4272209 | Anti-vandalism nut assembly An anti-vandalism nut assembly joins two or more structures and includes a threaded bolt and a specially designed nut which is assembled through the use of another threaded element. Two nuts are each formed with a rectangular or square base and four slopi... | 06/09/1981 |
| 4248285 | Safety nut and method for making A safety nut comprises an axial extension in which an elastic safety element is disposed. In one embodiment the element comprises a wire spring clip whose legs are tangent to a central thread of the nut so that a bolt threaded onto the nut flexes the legs... | 02/03/1981 |