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7089830 |
Compact wrench with three-stage control
A wrench includes a handle, a head, a drive member rotatably mounted in the head, two pawls, an elastic element for biasing at least one of the pawls to engage with the drive member, and a...
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7004054 |
In-process tape bur monitoring
The protective tape applied to the front surface of a semiconductor wafer to protect the wafer during backgrinding must be trimmed so that excess tape, known as tape bur, does not extend beyond the...
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5889675 |
Pickup device
A pickup device comprises a memory for storing therein positional data for parts, a camera for detecting a position of the parts, a displacement rate computing section for computing a displacement...
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5575202 |
Safety device in a platen press for processing plate-like workpieces
A safety device which prevents a gripping bar from being squeezed in a platen press that processes plate-like workpieces. This press comprises a fixed upper beam and a movable lower beam which is...
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5360213 |
Apparatus for separating folded web
A web separator is provided that cuts a web at predetermined separation locations. Downstream of the cutting, the web is folded at predetermined fold locations. A continuously swinging director,...
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5287802 |
Strap severing and ejecting mechanism for strapping machine
In a straps machine comprising strap-advancing rollers, a sensor for sensing whether a leading end of an advancing strap has reached a predetermined location within a predetermined time, and...
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5244067 |
Wire runout and splice detector for lead-making machines
A detector on a wire lead machine includes a pair of contacts biased into a normally closed position. The wire is fed between the contacts, keeping the contacts open, and the insulation on the wire...
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5237896 |
Dust evacuation and tool interlock
There is disclosed an interlock between a wood working tool and a dust control system in which a standard pressure switch, which can be activated by negative or positive pressure, is located in the...
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5091962 |
Method and apparatus for detecting a sheet strip material misfeed condition
A plurality of individual frames or stampings provided in a sheet strip material by a stamping device are passed in proximity to a sensing device. As each individual frame or stamping is passed in...
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4894976 |
Missing card circuit for a slicing machine
An automotive slicing machine includes a circuit for monitoring the operation of a card dispenser during the processing of a sliced product. In one embodiment, when the monitoring circuit detects...
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4794963 |
Method and apparatus for optimizing the cutting of raw boards into product boards
An apparatus for optimizing the yield from a raw board, having defects randomly located therein, and for cutting the raw board optimally into product boards of predetermined specification, thereby...
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4765213 |
Crooked cut detecting system applicable to a sawing machine
A crooked cut detecting system consisting fundamentally of a sensor for sensing irregularities developed on a cut end of a material from which a section was cut away by a sawing machine, an...
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4205567 |
Apparatus for safety operating presses and the like
The present invention relates to an apparatus for detecting mis-strippings in a press having a ram and upper and lower tools for punching workpieces. The apparatus comprises an electric circuit...
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4205769 |
Methods of and system for counting holes and for detecting missing holes in a web
A continuous web or laminate (32) of flexible material is indexed through a punch press (44) whereat holes of different shapes and sizes are punched in repetitive patterns through successive...
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4202433 |
Tool protection arrangement for hydraulic presses
An arrangement for protecting tools in a hydraulic press against overloading if a foreign object or body is present in a tool space of the hydraulic press. A displacement or travel switch monitors...
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4192414 |
Hydraulic press tool protection arrangement
An arrangement for protecting tools in a hydraulic press against overloading if an object is present in a tool space of the hydraulic press. A displacement switch monitors at least a portion of a...
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4182207 |
Food stack loader
A machine for picking up stacks of sliced food obtained from a slicer and loading the stacks into cavities of a packager which then encloses same. The machine includes a transmission driven in...
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4172415 |
Device for protection of a set of tools in a hydraulic press
A protection arrangement for a tool set in a hydraulic press in which press, a press ram can be moved by at least one rapid- or fast-stroke cylinder piston unit and at least one working stroke...
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4140390 |
Punch alarm system for photoprinting machines
Sensors are added to a conventional photoprinting machine, adjacent the edges of the photographic print paper and downstream of the marking system in the machine, for monitoring the presence and...
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4125182 |
Punch press controller
A controller for stopping a punch press when a stock material becomes jammed, includes: translating means for converting the motion of the stock material exiting from the punch press to rotational...
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4065911 |
Baconweigher
A combination bacon slicing, segregating and weighing machine is provided. The slicing machine has a slicing blade and controls for determining the rate of feed of the bacon belly towards the...
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4044639 |
System for cutting pieces from a traveling strip of sheet material
Continuously cast plastic strip has interspaced marks or defects with lengths of unmarked usable strip therebetween. To obtain a maximum possible yield of sheets from such strip, the lengths of the...
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3991639 |
Apparatus for protecting tools of hydraulic presses
Apparatus for protecting tools of hydraulically operated fine punch presses of the type having a main piston as well as quick-closing pistons for imparting movement to the press ram. Keying pistons...
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3979980 |
Apparatus and process for protecting machinery
An apparatus and process for protecting a press die and press frame from damage when stock has jammed therein. The apparatus includes a proximity sensor which senses metal entering the press, a...
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3926081 |
Back gauge warning system for shears and the like
A safety warning system for use with a shear or the like is disclosed wherein a light beam source and photosensor means are mounted beneath the movable cutter knife and back gauge assembly of the...
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3878745 |
Machine operation detection apparatus
A forming gang press includes a plurality of punch and die units to form flat blanks which discharge laterally through discharge chutes with means to monitor the failure of a die unit to discharge...
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3789711 |
PUNCH PRESS DISCHARGE FEEDER
A feed strip extends under the female die of a punch press above the bolster plate and leads to a discharge region. The feed strip is vibrated in a motion that includes a rise and fall, and the...
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3786976 |
SENSOR SYSTEM FOR AUTOMATIC TOOLING
A device is disclosed for detecting a variation in position from normal of a work material as located in a work fabricating machine. The device includes a sensor system that communicates with a...
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3765283 |
MATERIAL MISFEED DETECTOR FOR POWER PRESS
A material misfeed detector for a power press for discontinuing the operation of the power press on the upstroke thereof when a misfeed of the material is detected, the detecting device including a...
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3604296 |
MATERIAL CUTTING METHOD AND APPARATUS
Apparatus for cutting material comprises first and second rotatable members defining a nip through which the material passes and at which cutting is effected by dies carried by the rotatable...
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3545322 |
SLITTING APPARATUS
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3543621 |
TOOL SAFETY DEVICE
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3440909 |
SAFETY DEVICE FOR STAMPING MACHINES
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3381559 |
Inspection device
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3379165 |
Object detecting system
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3348440 |
Auxiliary operation control for automatic systems
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3320842 |
Film cutter
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3288089 |
Wafer cutting apparatus and method
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3281304 |
Automatic machine and method
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3270600 |
Film cutter
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3191472 |
Web cutting and stacking means
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3183748 |
Cutting device having means responsive to the product to disengage work-feed
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3179262 |
Material transferring apparatus
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3179764 |
Missing parts detector
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3162873 |
Press operated tapping apparatus
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3104573 |
Reciprocable die mechanism including cooperating ejector means operative to halt the die movement
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3023283 |
Switch apparatus for detecting delivery of parts
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3015977 |
Safety device for punch presses and the like
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2999520 |
Cigarette rod cutter and cigarette counter
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2970503 |
Punch tool drive means yieldable upon undue thickness of material being punched
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