Patents for June 2024

USPTO Fastener Patents Compiled from: United States Patent and Trademark Office (USPTO) by the editors of FTI for June 2024

Anchor Bolt Assembly and Ceiling Finishing Panel Fixing Apparatus Comprising Same
US Patent 11987980
Published May 21, 2024
Inventor: Ju Byeong Cha, Seoul, South Korea
An anchor bolt assembly according to an embodiment of the present
disclosure includes an anchor body provided with a plurality of pointed
protrusions on an upper surface thereof, an anchor shell provided with
open upper and lower sides thereof, extrapolated to a lower side of the
anchor body, provided with a first incised part having a “Y” shape at an
equal interval along a circumference of the anchor shell, and provided with
a second incised part having a “v” shape at an equal interval along a
longitudinal direction of the first incised part, a tightening member screwed
to the anchor body through a screw thread provided on an inner
circumferential surface of the tightening member, and provided with a
processing part for increasing frictional force along an upper circumference
of the tightening member.

Bolt and Fastening Structure
US Patent 11988238
Published May 21, 2024
Inventors: Yuichiro Suzuki, Niwa-Gun, Japan; Mitsuki Yoshida, Niwa-Gun,
Japan; Akihiro Furukawa, Niwa-Gun,
Japan: and Yukinori Fujimoto, Niwa-Gun, Japan
Assignee: Aoyama Seisakusho Co., Ltd., Niwa-Gun, Japan
To threaded engage a bolt and a female screw with each other, thereby
making it possible to shave off a deposit on the inner surface of the female
screw and to make it easy for a worker to sense the seating, there is
provided a bolt including a shaft 2 and a head, wherein a first thread 11 is
provided on a head side of the shaft, and at least one of a thread provided
larger in diameter than the first thread and a thread provided wider than
the first thread is provided on a tip end side of the shaft.

Screw Nut and Electronic Device Having the Same
US Patent 11988239
Published May 21, 2024
Inventors: Hsin-Chuan Hsu, New Taipei, Taiwan; and Ming Chun Wang, New
Taipei, Taiwan
Assignee: Wistron Corp., New Taipei, Taiwan
An electronic device has a screw nut. The screw nut is configured for fixation
of a fastener. The screw nut includes an inner nut component, a cushioning
component and an outer nut component. The inner nut component has a
screw hole portion configured for fixation of the fastener. The cushioning
component is sleeved on the inner nut component. The outer nut
component is sleeved on the cushioning component. The cushioning
component is connected between the inner nut component and the outer
nut component so that the inner nut component is movably connected to
the outer nut component.

Locking Tab-Washer
US Patent 11988240
Published May 21, 2024
Inventors: David Pyra, Longueuil, Québec, Canada; Guy Lefebvre, SaintBruno-de-Montarville, Québec, Canada: and Gerard Theriault, Longueuil,
Québec, Canada
Assignee: Pratt & Whitney Canada Corp., Longueuil, Québec, Canada
A locking tab washer for rotatably locking a bolt fastened to a component in
an aircraft engine has a body with an opening and at least four locking tabs
positioned about the opening and circumferentially spaced apart from one
another at integer multiples of a common angle relative to the center of the
opening. The locking tabs are bendable towards to rotatably lock the bolt.
The locking tab washer also has a retaining feature positioned about the
opening and operable to rotatably retain the locking tab washer to the

Osteosynthesis Device with Plate Provided with a Threaded Hole for
Receiving a Locked Fastening Screw
US Patent 11974790
Published May 7, 2024
Inventors: Julien Ballerini, Nantes, France; Grégoire Larche, Cholet, France;
and Jean-Pierre Podgorski, Sevremoine, France
Assignee: Newclip International, Luxembourg
In an osteosynthesis device with a plate and a screw for fixing the plate on a
bone, the head of the screw includes a thread for its locking with the
internal thread in its receiving hole. The internal surface of the plate hole
includes a first frustoconical section that extends at an angle 30-60° with
respect to the hole central axis, and a second frustoconical section that
extends between the first frustoconical section and the plate lower face, at
an angle 8-12° with respect to the hole central axis. The internal surface of
the hole also includes at least three upper undercuts, and at least three
lower undercuts, which upper and lower undercuts allow a degree of
freedom in angulation of the screw, and also preserve a portion of hole
internal thread on all the generatrices of the hole internal surface located in
planes parallel to the central axis.

Remote Monitoring and Actuation of Fasteners
US Patent 11975426
Published May 7, 2024
Inventor: Christopher V. Beckman, Miami, FL, USA
Improved techniques for remotely monitoring and managing fasteners and
fastener driver conditions, are provided. In some aspects of the invention,
conditions of a fastener and/or structural material(s) held by the fastener
and/or connector, are monitored by a control system including sensor(s) at
least partially embedded in, on or throughout the fastener and/ or
structural material(s). When an adverse condition is sensed, a torque may
be remotely applied to the fastener, in some embodiments. In some
embodiments, other remedial actions may be taken by the control system.
In some embodiments, such sensor(s) include a magnetizable array, which
may include one or more charge-carrying and/or otherwise magnetic wires
or particles on, about, or embedded within, the fastener and/or structural
material. In some embodiments, such remote monitoring includes testing a
magnetic signature of the fastener and/or structural material (e.g., via
remote scanning and/or testing).

Titanium Alloy Fastener and Manufacturing Method
US Patent 11971063
Published April 30, 2024
Inventor: Guillaume Leger, Villiers-Adam, France
Assignee: LISI Aerospace, Paris, France
The invention relates to a fastener comprising a substantially right circular
cylindrical surface arranged along an axis, said surface comprising a
grooved shape selected from a thread, a tapping and a plurality of traction
grooves, said fastener being made of a beta-metastable titanium alloy. The
alloy has a microstructure (40) made up of a matrix (42) and alpha phase
nodules (44) distributed in said matrix, the matrix being made up of beta
phase and groups (46) of alpha phase lamellae (48) oriented in the same

Expandable Screw with Separate Expansion Fingers
US Patent 11965535
Published April 23, 2024
Inventor: Roland Schneider, Schlins, Austria
Assignee: Hilti AG, Schaan, Liechtenstein
A screw includes a shank where a thread helix receiving groove winds
around the shank and is disposed in the shank. A thread helix is disposed in
the thread helix receiving groove where the thread helix has an expandable
helix section. The shank has, at the thread helix receiving groove, a wedge
flank for radially expanding the expandable helix section as the shank is
moved relative to the expandable helix section. The expandable helix
section has a helical back and a plurality of expansion fingers projecting
axially from the helical back towards the wedge flank. The wedge flank of
the thread helix receiving groove is configured for radially displacing the
plurality of expansion fingers outwardly as the shank is moved relative to
the plurality of expansion fingers.

Anti-Creep Anti-Back-Out Compact Fastener
US Patent 11965539
Published April 23, 2024
Inventor: Navid Poulad, San Jose, CA, USA
Assignee: Microsoft Technology Licensing, LLC, Redmond, WA, USA
An integrated fastener includes a threaded portion, a fastener head, and
one or more spring fingers integrated into the fastener head, wherein the
spring fingers are configured to apply a compressive load when the fastener
is inserted and secured to a receiving assembly.

Self-Forming Thread Blind Fastener
US Patent 11959504
Published April 16, 2024
Inventor: Thomas Brennetot, Conflans-Saint-Honorine, France
Assignee: Howmet Aerospace Inc., Pittsburgh, PA, USA
Self-forming thread blind fasteners and methods for fastening are provided.
The self-forming thread blind fastener comprises a sleeve and a pin. The
sleeve comprises a first sleeve end, a second sleeve end, an elongate
portion, and an inner wall defining a bore. The pin is configured to be at
least partially received by the bore. The pin comprises a first pin end, a
second pin end, a pin head portion, an at least partially threaded portion, a
shank intermediate and a driving portion. The at least partially threaded
portion is configured to form threads on at least a portion of the inner wall
of the sleeve. The driving portion is configured to receive a torque to rotate
the pin within the sleeve and thereby axially compress and deform the
sleeve and form the threads on the at least a portion of the inner wall of the

Small Fastener
US Patent 11953038
Published April 9, 2024
Inventor: Jan Niklewicz, Kingston Upon Thames, Great Britain
Assignee: Kwikbolt Limited, Middlesex, Great Britain
A removable blind fastener includes: a body; a screw member; and a
clamping member. The body includes a hollow cylindrical shaft with a
proximal end and a distal end and a head at the proximal end, the head
being hollow with an internal end face. The shaft has an open guide channel
along a portion of its length and an urge channel opposite the guide
channel located at the distal end of the shaft. The screw member has a
threaded region that fits within the shaft and the screw member has a head
at a proximal end that fits within the hollow head. The clamping member fits
in the guide channel and has a threaded aperture for engaging with the
threaded region of the screw member, such that rotation of the screw
member causes the clamping member to move along the guide channel of
the body.

Screw Thread
US Patent 11953045
Published April 9, 2024 Inventors: Shigeto Mori, Hadano, Japan; Mayumi
Matsuno, Hadano, Japan; and Naoki Horiuchi, Hadano, Japan Assignee:
Topura Co., Ltd., Hadano, Japan To provide a screw thread which achieves a
further reduction in screwing torque while securing removability of a
coating film or the like and which is capable of stabilizing conductivity. In a
screw thread in which a recessed portion (7) is partially provided on a flank
surface (131) of a screw thread ridge provided on a screw thread shaft main
body (5), a screw thread ridge (13) in a section where the recessed portion
(7) is formed is smaller than a regular screw thread ridge (3), and a ridge
height (H12) in a distal end portion in a screwing direction is lower than a
ridge height (H11) in a rear end portion in the screwing direction W.

US Patent 11953046
Published April 9, 2024
Inventors: Tetsuo Shibusawa, Tokyo, Japan; and Kenta Tasaka, Tokyo, Japan
Assignee: Iwata Bolt Co., Ltd., Tokyo, Japan
There is provided a nut in which occurrence of galling is prevented. The nut
in which a depth t of a counterbore hole is set to be greater than (Ddxcosɵ)/tanɵ, when a nominal diameter is D, an average value of a
maximum outer diameter and a minimum outer diameter taking into
account a tolerance of a bolt to be fitted is d [mm], an inner diameter of the
counterbore hole provided on an insertion side of a screw hole is D+0.2
[mm], a pitch of a screw thread is P [mm], and ɵ satisfies ɵ=arc tan(P/d).

Breakaway Threaded Fasteners and Electrical Connectors Having Such Fasteners
US Patent 11953043
Published April 9, 2024
Inventor: Dana Khalid Saeed, Lewisville, TX, USA
Assignee: Hubbell Incorporated, Shelton, CT, USA
A breakaway threaded fastener is provided. The fastener has a stud, a pin
and a cap. The stud has a hollow cavity with a closed end, an open end, a
wall and an outer surface. The outer surface has an external thread. The pin
is in the hollow cavity. The pin has a first end at the closed end of the stud
and a second end extending above the open end of the stud. The cap has
another hollow cavity with a closed end, an open end and an internal
thread. The cap is threadably engaged to the open end of the stud via the
internal and external threads so that the second end of the pin abuts the
closed end of the cap.

Toothed Washer
US Patent 11946578
Published April 2, 2024
Inventors: Josef Brandt, Wipperfürth, Germany; Frank Engelhard,
Wermelskirchen, Germany; Markus Waschkewitz, Bergneustadt, Germany;
Kazim Canpolat, Dormagen, Germany; and Adrian Klehr, Balve, Germany
Assignee: VOSS Automotive GmbH, Wipperfürth, Germany
A toothed washer, in particular for fixing a tube line introduced in a fluid
connector in an insertion direction, including an annular base having a
toothed washer central axis. At the inner circumference of the base, cutting
teeth are respectively disposed as a single component on the base radially
inward and obliquely to the toothed washer central axis and extending in
the insertion direction over an overmolded resilient hinge section and an
overmolded retaining section connected thereto. The cutting teeth are
configured such that in the event of a fixing movement of the tube line, the
cutting teeth cut-in against the insertion direction into an outer
circumference of the tube line, wherein the cutting teeth include a cutting
surface for cutting into the outer circumference of the tube line to be fixed.
The cutting teeth have a support surface, and the support surface is
configured set back radially outward as viewed from the cutting surface, so
that the cutting-in of the respective cutting tooth is limited during a placing
of the support surface onto the outer circumference of the tube line.
Furthermore, the invention relates to a fluid connector for tube line
installation, in particular fluid-guiding tube lines, including a receptacle
section for introducing a tube line in an insertion direction, as well as a
retaining element, configured as such a toothed washer, disposed in a
receptacle section.

US Patent 11939999
Published March 26, 2024
Inventor: Jorg Blin, Wildeshausen, Germany
Assignee: Wheelguard GmbH, Wildeshausen, Germany
A fastener, in particular of a chassis component, has at least one sensor and
at least one transmitter of a monitoring device for monitoring at least one
mechanical fastening parameter. At least one power supply unit is
associated with the transmitter, that the transmitter and the power supply
unit are connected to one another by means of a switching contact, that an
electrical connection can be closed by means of the switching contact, that
the switching contact is designed in such a way that the electrical
connection is open when the fastener is installed properly and is closed only
when the fastener is released, and that the transmitter is supplied with
current and transmits a signal only when the electrical connection of the
switching contact is closed.

Spring Clamp with Installation and Removal Capability
US Patent 11739870
Published August 29, 2023
Inventor: Jerry Seimears, Renton, WA, USA
A spring clamp with integrated installation and removal capability allows a
user to install or remove the spring clamp safely using common shop tools
or by hand. The spring clamp includes two tangs with a fastener extending
between them. The fastener may be used to draw the tangs together or
apart, to thereby open or close the spring clamp, and to safely change the
potential energy of the spring clamp. The user may turn the fastener or a
nut on the fastener using common shop tools or by hand to expand the
spring clamp so that it can be slipped over a hose and to allow the spring
clamp to tighten around the hose.

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