Matches 1 - 35 out of 35


Match Document Document Title
US20130047797 NEGATIVE DRIVE ANGLE  
A torque transmission driver has a main body having a first end portion adapted to receive and transmit torque from a torque generation source and a second end portion opposite the first end...
US20070245863 Screw head and tool for use therewith  
The invention provides a screw head having a hexalobular slot (2) in the upper surface of the screw head, an upper peripheral wall (9) of hexalobular planform extending down into the screw head,...
US20060065084 Fastener having recess useable with multiple drivers and method of manufacture  
A fastener is described having a head formed with a recess which accommodates a square head driver, symmetrical drivers, such as PHILLIPS™ style drivers, asymmetrical style cross head drivers,...
US20120137842 FASTENER, DRIVER ENGAGING WITH THE FASTENER AND PUNCH PRODUCING THE FASTENER  
A fastener includes a connecting portion and a head portion connected with the connecting portion. The head portion defines an engaging hole and includes a plurality of protruding teeth separately...
US20160131170 SCREW DRIVE  
The invention relates to a screw with a screw head having a drive, and a corresponding drive tool, and a drive system having the screw and the drive tool. The screw embodies a screw head having a...
US20130011216 Drive Formation for a Rotary Drive  
A drive formation for a rotary drive, for example a depression in the end face of a screw, has two regions with different cross-sections, but with a cross-sectional form having a certain...
US20110283842 Screwdriver bit structure  
A screwdriver bit structure sequentially comprises a connection section, a neck reducing section and a driving section. A plurality of arc grooves is circularly disposed to a front of the driving...
US20160199967 FASTENER HEAD AND COMPLEMENTARY DRIVER  
A fastening system comprising a driver tool bit and a complementary fastener head is provided. The coupling between the driving end of the driver tool bit and the fastener head occurs via at least...
US20080072717 Drywall screwdriver bit  
A screwdriver bit has a shank with a polygonal portion and two ends. A tip projects from each of the ends. The tip has a length substantially equal to a depth of a slot of a desired fastener head....
US20100129176 SCREW HEAD RECESS DRIVE AND CORRESPONDING DRIVER TOOL AND RECESS PUNCH  
A fastener with a recess head wherein the drive head has four lobular recess channels. Each channel comprises a first wall, a second wall, a bottom surface and a recess sidewall. The first and...
US20120165107 FASTENER, DRIVER ENGAGING WITH THE FASTENER AND PUNCH PRODUCING THE FASTENER  
A fastener includes a connecting portion and a head portion coaxially connecting with the connecting portion. The head portion defines an engaging hole which includes a main engaging hole and one...
US20060225541 Screw driver  
The present invention generally relates to a screw driver bit, and more particularly to the improvement of a drive bit of a screw driver bit for matching with a screw. A drive recess of the screw...
US20100288086 Screwdriver Head  
An improved screwdriver head structure having a blade portion and a connecting portion, characterized in that: the blade portion is located on one end of the screwdriver head and has two or more...
US20120285301 Screwdriver Bit  
A screwdriver bit configured in such a way that when the tip of the screwdriver bit is to be fitted into a bit fitting groove of a screw, said bit fitting groove being formed on the top surface of...
US20080092699 Wallboard screw with bi-tapered socket for receiving a bi-tapered screw driver tip  
A screw driver (40) having a bi-tapered driver tip fits into a bi-tapered screw driver tip receiving socket in a screw (42). The outer taper on the driver tip and the outer taper in the driver tip...
US20110048181 SCREW HEAD RECESS STRUCTURE AND ITS DRIVING TOOL  
A screw head recess structure and its driving tool that maximizes torque are provided, applicable to any kinds of rotational fasteners, such as screws or bolts. A recess has an irregular shape...
US20160169491 INTERCHANGEABLE ADAPTER FOR CHANGING LED LIGHT BULBS  
An interchangeable adapter for changing a light bulb that includes a holder that has a mounting end and an interface end opposite the mounting end, and a first engagement member disposed inside of...
US20170095909 RECESSED FASTENER, FORMING PUNCH AND DRIVING TOOL  
A recessed fastener includes a head with a top face and a drive socket, a shank extending downward from the head, and threads helically around the shank. The drive socket has a bottom and drive...
US20130139659 Pivotal Wrench  
A pivotal wrench includes a handle having a first pivot portion provided with first positioning holes, a tool head having a second pivot portion provided with second positioning holes, a connector...
US20090145270 Torque reducing and stabilizing screwdrivers and slotted threaded fasteners and related methods  
Novel screwdrivers used in combination with novel threaded fasteners are disclosed, both of which comprise male and female stabilizing segments which contiguously match male and female...
US20090282955 Driver Bit for Easy Attachment and Detachment with Driver Tool  
A driver bit comprises has a body including a bit shank formed on an end thereof and a driving end formed on another end thereof opposite to the bit shank. The driving end is adapted for operation...
US20060112797 Universal screw driver blade for recessed cross-slot head screws  
In a universal cross-slot head screwdriver blade for use with cross-slot head screws of different size ranges the screwdriver has a cross-slot blade with cross ribs which form at the front of the...
US20070140811 High strength screw head and driver bit  
A screw and corresponding driver bit with a rectangular slot formed in the head of the screw. The rectangular slot leaves more head material on the surface of the screw head compared to a...
US20070180958 Multi-function screwdriver  
A screwdriver has an elongate handle and an elongate shank arranged along an axis of the handle and has one end embedded within the handle and another end provided with a driver tip configured for...
US20110192258 RATCHETING TOOL  
A hand tool includes a handle, a first shank portion, a second shank portion, a hinge, a fitting and a ratchet. The first shank portion is connected to the handle. The hinge pivotally connects the...
US20080034930 Non slip screw  
A non-slip screw of the type having a threaded shank and an embedded slotted head, including a locking surface defined in the screw head by a central transverse slot which extends into the top of...
US20130276596 Star-Type Wrench  
A star-type wrench includes a shank, a first operation portion mounted on a first end of the shank, and a second operation portion mounted on a second end of the shank. The shank is formed...
US20100269264 Bit structure for powered tools  
A bit structure for powered tools includes a shank action end at one end of a bit and a tool gripping section at another end. The shank action end has a conical directing portion formed by...
US20100143072 Fastener and Driving Tool  
An improved fastener (10) comprises of a threaded shank (11), and a head (12) having a tool engaging recess (13) formed by a plurality of grooves (16) comprising an inner portion located...
US20100111641 SLOTTED SCREW  
A slotted screw has slot surfaces (9) on the screw head, wherein the slot surfaces are vertical or approximately vertical and are arranged parallel to one another or approximately parallel to one...
US20060112796 Screwdriver with teethed head  
A screwdriver with teethed head portion comprises a cruciform head including four sheets which are arranged as a cruciform shape. Two sides of each sheet have respective wavelike teeth portions...
US20050022636 Screw member  
A screw member includes a main body having a first end provided with a head portion and a second end provided with a threaded portion. The head portion has a center formed with a substantially...
US20160346906 Rotational Tool Bit  
An improved rotational tool bit used for operational engagement with a Phillips head style fastener that has two points formed at the end of each of its four symmetrical wings and two concave side...
US20050193875 TEMPORARY SELF LOCKING DRILL BIT  
A fastening system comprised of a drill bit containing a slightly tapered spiral orion twist configuration at its driving end, and a matching fastener screw whose head contains a matching spiral...
US20110079119 Screwdriver  
A screwdriver includes a shank and a head formed at an end of the shank. The shank is made with a diameter. The head is formed with blades. Each of the blades includes an edge. The distance...

Matches 1 - 35 out of 35