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Document Title |
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7975522 |
Fastener manufacturing assembly and method
The present invention is an assembly and method for continuously manufacturing fasteners. A die press actuated at a first speed receives the contoured wire into a die having a piercing element for...
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7314417 |
Method for the manufacture of hollow body elements, hollow body element and also progressive tool for carrying out the method
A method of manufacturing hollow body elements such as nut elements for the attachment to components consisting normally of sheet metal, in particular to the manufacture of hollow body elements...
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5372279 |
Parts-supply control apparatus
A part-supply apparatus provisionally holds each part delivered from a parts-passage in a temporary holding chamber having an outlet aperture before delivering the released parts to a predetermined...
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5299351 |
Continuous parts feeder
This invention is intended to provide a continuous parts feeder capable of continuously feeding parts to a metal mold installed in a pressure machine such as a press.An actual example of this...
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5199927 |
Bent shank nut tapping method and apparatus
A machine and method for continuous thread tapping of threads in fasteners such as nut blanks or the like having a fastener blank advancement mechanism incorporated into a fastener blank holding...
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5016335 |
Tapping attachment for a punch press
A tapping attachment for threading a relatively large number of holes through a sheet metal part at a relatively low cost per hole. The tapping attachment includes a thrust bearing assembly which...
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4985841 |
Tapping control system
Disclosed is a tapping control system capable of performing tapping work with high accuracy and reliability in a manner such that rotation of a tap by means of a digital spindle motor (1) is...
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4687384 |
Hand tapping device
A hand tapping device has a driving rod at one end provided with a handle and a chuck at the other end for holding a tap. A housing located between the rod and chuck is attached at one end to the...
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4449868 |
Apparatus for threading holes
Apparatus is disclosed for threading tapping holes in workpieces wherein the tapping hole is surrounded by a surface having alternating recesses and arcuate projections which are to be threaded....
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4299001 |
Nut tapping machine
The invention provides a nut tapping machine of the type driven by a drive chuck assembly comprising two sets of shank-embracing driving chucks one of which is always in engagement with the tap...
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4229126 |
Machines for tapping nuts
A nut tapper comprises a pusher for pushing blanks onto a rotating tap. The pusher is urged towards the tap by a pneumatic piston and cylinder unit and the speed of approach of the pusher towards...
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4070724 |
Apparatus for making self-locking internally threaded fasteners with ring-like locking elements
A self-locking internally threaded fastener in which the self-locking characteristic is derived from a ring-like plastic patch having a circumferential extent of greater than 180° adhered to the ...
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4064585 |
Thread cutting machine
An automatic thread cutting machine for nuts and similar mass-produced parts where the nuts or the like are taken from a magazine and moved through a feed trough into a guide where they are held...
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3945751 |
Universal floating tool holder
A universal floating tool holder adapted for floatingly holding tools and particularly adapted for holding a tap for a tapping tool. The toolholder embodies telescoping bodies with a clutch in...
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3788760 |
TAPPING HEAD FOR PUNCH PRESS
A unitized tapping head is incorporated into the turret of a multiple-tool punch press. The tapping head includes a unique replaceable cartridge which houses a tap and a feed lead screw. A...
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3778071 |
FLOATING TOOL HOLDER
An improved floating tool holder assembly having an annular tool holder adapted to receive therein the shank of a suitable tool, such as a drill or reamer. The tool holder is pivotally mounted on...
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3727255 |
NUT LOADING MEANS
Scores of open-centered nut blanks in planar array are to be simultaneously tapped by a multiple spindle tapping head fed by an intermittently advancing train of transfer segments each carrying a...
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3711213 |
MULTIPLE-SPINDLE ARRANGEMENT FOR TAPPING HOLES IN SMALL WORKPIECES, NUTS IN PARTICULAR
A multiple-spindle arrangement for tapping holes in small workpieces and comprising: a spindle feed mechanism, a mechanism for reversing spindle rotation, a rotary head with working spindles...
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3704648 |
THREAD MILLING ATTACHMENT FOR ENGINE LATHES
A thread milling attachment for engine lathes, particularly for milling a wide variety of special threads on workpieces, is described. The attachment device is readily attachable to an ordinary...
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3661470 |
THREADING ATTACHMENT
A threading attachment for connection to a rotary power takeoff for providing a thread on a workpiece wherein a pair of threaded nuts are actuated to engage a lead screw to drive a thread cutting...
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3630630 |
POWER-OPERATED THREAD-CUTTING UNITS
To provide a simple, compact thread-cutting unit, pressure fluid power means effect axial movement of a thread-cutting tap. The tap is driven by a fluid motor, the rotary speed of which is...
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3582225 |
THREAD TAPPING MACHINE
A thread tapping machine includes a workpiece positioning structure, a tapping head including a tap support of a diametrical extent for reception of tapped articles, and a drive for advancing the...
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3571834 |
MACHINE TOOL ADAPTIVE CONTROL
A mechanism controls both the speed of rotation of a cutting tool for performing machine tool operations on a workpiece and the relative feedrate between the cutting tool and the workpiece. The...
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3534421 |
POWER HEAD FOR CUTTING TOOLS
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3510896 |
THREAD CUTTING MACHINE
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3477077 |
MACHINE FOR CUTTING INTERNAL THREAD IN PERFORATED OBJECTS
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3461472 |
MACHINE TOOL WITH AUTOMATIC TAPPING CONTROL
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3458881 |
MACHINE TOOL VARIABLE POWER TRANSMISSION
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3422944 |
SECTIONAL FEED WIRE
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3411385 |
Positive feeding structure
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3398608 |
Automatic machine tool
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3389413 |
Single spindle tap unit
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3359583 |
Positioning apparatus
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3358306 |
Automatic nut tapper
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3348248 |
Automatic tapping machine and method
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3336821 |
Control of machine tools
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3311262 |
Plural transversely acting controllers for releasing articles
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3275191 |
Article-feed apparatus having an article transfer means and fluid means to propel articles through a tube
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3256542 |
Lead screw threading attachment
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3200425 |
Hydraulic tapper unit with means to permit yielding of the feed nut
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3197792 |
Floating tap type nut tapper
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3192543 |
Automatic nut tapping machine
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3179966 |
Transfer and tapping mechanism for sheet metal fasteners
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3179965 |
Drilling and threading attachment
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3178740 |
Lead screw feed means with means to clutch rotating spindle to feed means
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3162873 |
Press operated tapping apparatus
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3156122 |
Spindle control for threading machines
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3146472 |
Tapping machine with means to counterbalance tool carriage and work holder
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3139638 |
Nut feeding and orienting means at work station
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3130428 |
Means to feed and transport blanks during a threading operation
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