公开(公告)号：US20230204062A1

公开(公告)日：2023-06-29

申请号：US18060545

申请日：2022-11-30

申请人： Cheng-Yi Lin

发明人： Cheng-Yi Lin

IPC分类号： F16B25/00

CPC分类号： F16B25/0078 ,  F16B25/0015 ,  F16B25/0073 ,  F16B23/003

摘要： A screw for particle board includes a head; a threaded shank; and a plurality of screw threads formed on the threaded shank. The head includes a slot on a top. The threaded shank is formed with the head and includes a shank and a tip at an end of the shank. The screw threads are formed on both the shank and the tip. The shank includes a plurality of longitudinal recesses and a plurality of longitudinal projections. Each recess is adjacent to each projection. Each screw thread is disposed between one of the recesses and the projection adjacent to the recess.

公开(公告)号：US11674542B2

公开(公告)日：2023-06-13

申请号：US16715473

申请日：2019-12-16

申请人： ETA SA MANUFACTURE HORLOGERE SUISSE

发明人： Raphael Balmer

IPC分类号： F16B35/04 ,  F16B25/00 ,  G04B29/02

CPC分类号： F16B25/0015 ,  G04B29/027

摘要： An assembly including horological movement support, a motor plate of a timepiece and a fastener fastening the support to the plate. The fastener includes a self-tapping screw having a body that passes through a hole in the support. A recess in the plate or support is tapped when the screw is screwed into the recess. The shape of the recess has a variable width, which is wider at the opening extending to a smaller diameter at the bottom of the recess, the shape corresponding to that of the body of the screw.

公开(公告)号：US20180238373A1

公开(公告)日：2018-08-23

申请号：US15956765

申请日：2018-04-19

申请人： SHU-CHIN HUANG

发明人： SHU-CHIN HUANG

IPC分类号： F16B25/10 ,  F16B25/00

CPC分类号： F16B25/103 ,  F16B25/0015 ,  F16B25/0084

摘要： A screw with a flat drilling end comprises a cylinder (1) with a thread (11) wrapped around and a flat drill portion (2) longitudinally extended from a distal end of the cylinder (1); a maximum thickness (T) of a transversal cross section of the flat drill portion (2) being less than a half of the maximum width (D) of the transversal cross section of the flat drill portion (2); the maximum width (D) of the transversal cross section of the flat drill portion (2) being smaller than an outer diameter of the thread (11) of the cylinder (1); the width and thickness of the transversal cross section of the flat dill portion (2) being reduced to a point tip end of the flat drill portion (2). Two opposite lateral sides form as sharp knife blades.

公开(公告)号：US10054147B2

公开(公告)日：2018-08-21

申请号：US14894867

申请日：2014-05-23

申请人： AVVIO GMBH & CO KG

发明人： Gerhard Hubmann

IPC分类号： F16B25/00 ,  F16B25/10

CPC分类号： F16B25/0015 ,  F16B25/0036 ,  F16B25/0052 ,  F16B25/0063 ,  F16B25/0078 ,  F16B25/106

摘要： A screw having a cylindrical shank with a conical tip at one end and a screw head at the other, and at least one thread section therebetween. The thread section has a thread core. On the thread section, multiple successive thread terms are formed on a shell surface of the thread core. In the region of the thread section, multiple elevations are arranged on the outside of the shell surface of the thread core.

公开(公告)号：US20180135681A1

公开(公告)日：2018-05-17

申请号：US15466370

申请日：2017-03-22

申请人： KWANTEX RESEARCH INC.

发明人： Chao-Wei LIN

IPC分类号： F16B25/00 ,  B21H3/02 ,  B21H3/06

CPC分类号： F16B25/0036 ,  B21H3/022 ,  B21H3/06 ,  F16B25/00 ,  F16B25/0015 ,  F16B25/0078

摘要： A crack-proof screw includes a thread formed around a shank. A helical notch continuously and helically extends along the shank and is indented into the shank and the thread. The helical notch is proximal to but spaced apart from a tip of the shank. The notch is trapezoidal in cross section, and has a notch bottom, an open end opening at an outer peripheral surface of the shank oppositely of the notch bottom, and two opposite notch walls extending divergingly from the notch bottom to the open end. The open end is larger in width than the notch bottom. A method of making the screw is also disclosed.

公开(公告)号：US09957994B2

公开(公告)日：2018-05-01

申请号：US15163719

申请日：2016-05-25

申请人： Kuo-Tai Hsu

发明人： Kuo-Tai Hsu

IPC分类号： F16B25/10 ,  F16B25/00

CPC分类号： F16B25/103 ,  F16B25/0015 ,  F16B25/0052 ,  F16B25/0078 ,  F16B25/0084

摘要： A screw includes a shank, a first thread, and a second thread. The shank includes a screw-in portion, a head portion, and a straight rod portion between the screw-in portion and the head portion. The first thread surrounds the shank spirally and includes an upper thread portion formed around the straight rod portion, a lower thread portion formed around the screw-in portion, and a middle thread portion continuously connected between the upper and lower thread portions. A plurality of serrate cutting teeth is provided on the middle thread portion of the first thread. The second thread is helically formed around the screw-in portion of the shank and includes a plurality of thread convolutions spaced from thread convolutions of the lower thread portion of the first thread. The screw can be quickly driven into articles to be joined without degradation of binding capacity between the screw and the articles.

公开(公告)号：US20180010627A1

公开(公告)日：2018-01-11

申请号：US15646709

申请日：2017-07-11

申请人： OMG, Inc.

发明人： Peter J. Shadwell

IPC分类号： F16B25/00 ,  F16B27/00 ,  E04F15/02 ,  F16B43/00 ,  E04B1/00

CPC分类号： F16B25/0015 ,  E04B1/003 ,  E04F15/02183 ,  E04F2015/02122 ,  F16B27/00 ,  F16B43/00

摘要： A bushing includes an upper collar with a lower sheath and an annular shoulder intermediate the collar and sheath. The collar has a plurality of spaced apart notches and the sheath has a plurality of spaced apart slits that may be circumferentially aligned with the notches. The sheath has a plurality of spaced apart ribs projecting outward circumferentially offset from the slit for assisting in maintaining the sheath within a hole in a fastener with the annular shoulder against the fastener. A securing member with an elongate shank extending from a head with a distal portion is maintained in the longitudinal opening in an upright position aligned with the hole. As the fastener is driven longitudinally through the opening and hole, force from the fastener causes the bushing to break away and yields direct contact between the securing member head against the top surface of the fastener.

公开(公告)号：US09850935B2

公开(公告)日：2017-12-26

申请号：US15049508

申请日：2016-02-22

申请人： BI-MIRTH CORP.

发明人： Yi-Chieh Shih

IPC分类号： F16B25/10 ,  F16B35/04 ,  F16B25/00

CPC分类号： F16B25/103 ,  F16B25/0015 ,  F16B25/0084 ,  F16B25/10 ,  F16B35/048

摘要： A hole expanding screw comprises a screw head and a screw shank. The screw head includes a top and a neck extending from the top and gradually shrinking toward a direction opposite the top. The screw shank includes a shank body connected with the neck, a hole expanding portion connected with the shank body, a cone connected with the hole expanding portion, a thread running helically from the cone through the hole expanding portion to the shank body. The outer diameter of the hole expanding portion is greater than the diameter of the shank body and smaller than the diameter of the thread. The hole expanding portion includes a plurality of hole expanding blocks arranged into several rows and a plurality of debris exhaust channels formed among the hole expanding blocks, wherein each two neighboring rows of the hole expanding blocks are arranged in a staggered way.

公开(公告)号：US20170159692A1

公开(公告)日：2017-06-08

申请号：US14962585

申请日：2015-12-08

申请人： TAIWAN SHAN YIN INTERNATIONAL CO., LTD.

发明人： KOU-TSAIR SU ,  YU-JUNG SU

IPC分类号： F16B25/00 ,  F16B25/10

CPC分类号： F16B25/0052 ,  F16B25/0015 ,  F16B25/0078 ,  F16B25/103

摘要： A fastener includes a shank, a head connected thereto, a drilling portion opposite to the head and a plurality of first threads and second threads spirally disposed on the shank. The second threads are affixed to the first threads and provided with a plurality of opening slots defined thereon. The opening slots expose portions of the first threads therethrough. The first threads divide the shank into a plurality of shank segments, each of which has a base part and a transition part extending outward from the base part to be inclined by 5 to 10 degrees. The opening slots formed on the second threads provide an auxiliary cutting effect and accommodate cut debris. The first threads reinforce the bearing and drilling force of the second threads. The inclined transition part helps increase the ability of resisting the driving torsion and attain an anti-loosening force, thereby increasing the fastening effect.

公开(公告)号：US20170152881A1

公开(公告)日：2017-06-01

申请号：US14953138

申请日：2015-11-27

申请人： Hui-Ju YANG

发明人： Hui-Ju YANG

IPC分类号： F16B25/10 ,  F16B25/00

CPC分类号： F16B25/0015 ,  F16B25/0084 ,  F16B25/106

摘要： A screw has a circular rod, a pointed cone, a head, a first threaded portion, a second threaded portion and a third threaded portion, wherein the pointed cone is formed on a first portion of the circular rod, the head is formed on a second portion of the circular rod, the first threaded portion is formed from the pointed cone to the first portion and has two first threads having a first pitch, the second threaded portion is formed on the circular rod and has a second thread having a second pitch, the third threaded portion is formed on the circular rod and has a third thread having a third pitch, the first pitch is longer than the second pitch and the third pitch, the configuration of which provides a screw to drill and screw into multiple wooden workpieces steadily and quickly.