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Match Document Document Title
9009862 Welding helmet equipped with light switching window  
Disclosed herein is a welding helmet in which a worker may transmit and block external light as necessary by forming a light switching window for blocking external light from a side surface of the...
8959662 Grinding mode selector switch for welding masks  
A grinding mode selector switch for welding masks which controls an anti-glare device blocking hazardous light during a welding operation or an operation using a cutting torch and protecting eyes...
8813270 Helmet with flush aligned shield when closed  
A safety helmet includes a shield movable relative to a shell from an open to a closed position, and vice-versa through operation of a shield actuation system. When in the closed position, the...
8776263 Welding mask system  
A face plate has a major chamber positionable in front of a face of a welder. A visor housing has a forward opening. A minor chamber is provided within the visor housing. A forward assembly is...
8331001 Welding filter device and control method thereof  
The welding filter device includes a light sensor, a microprocessor, a liquid crystal display, and a user interface. The light sensor senses light to generate a welding signal and a light source...
8316462 Tip-to-work distance communication system for a welding mask  
A system enables transmitting a torch angle and/or a torch-to-workpiece distance error to a welding operator when these parameters are outside of a preset optimal range via real time audio cues....
8104094 Clean, cool, comfortable welding helmet  
This invention defines a welding helmet that encloses a welders head on five sides and with an optional skirt covers their neck. The helmet contains a fan, filter and cooling module to provide...
7962967 Weld characteristic communication system for a welding mask  
Methods and systems for transmitting a torch angle and/or a torch-to-workpiece distance error to a welding operator when these parameters are outside of a preset optimal range via real time visual...
6260197 Welding helmet with conical pivoting mechanism for head gear strap  
A welding helmet includes a connector for connecting the head gear and the protective shell and is comprised of an external finger knob allowing for user adjustment of the friction developed by...
6230328 Jeweler platinum welding eye-protection device having a clip-on mount  
An eye protection device for use in the welding of platinum jewelry items under magnification of a visor containing lens includes a pair of opposing support arms attached to a mounting bracket for...
6151711 Welding helmet with removable face plate and lens cartridge  
A welding helmet includes a removable lens cartridge assembly which is slidingly received by a slot at the front of the welding helmet. The lens cartridge assembly includes a picture frame slot...
5857215 Helmet with high performance head and face protection utilizing molded composite materials and method  
A welding helmet having high structual integrity is formed of a single sheet of composite material, such as Kevlar fabric impregnated with a phenolic thermoset resin; a viewing port in the front...
5398341 Hinged lens holder triggering device  
An apparatus for closing a hinged lens holder on the front of a welding hood, without using the hands. The apparatus is a spring loaded mechanism using the chin to actuate it.
5313665 Welder's shield, in particular for arc welding  
The invention concerns a welder's shield, in particular for arc welding, provided with a tilting fixing strap fixed to the head and an eye-protecting insert arranged at the eye-level of the...
5224219 Welder's helmet with retractable eye protective lens and easily replaceable cover lens  
A welder's helmet having a face-protective shell adapted for wearing over the face of a welder during welding operations, the shell having a front wall provided with a sight opening therethrough...
5189735 Welding system with automatic welding helmet and safety circuit  
A welding system with an automatically operated helmet closes the helmet's hood, and thus its face mask, before turning on a welding electrode. The system includes an actuator with a piston that...
4945572 Welding helmet  
A welding mask is disclosed comprising an opaque face shield having a viewing opening therein, a filter lens pivoted to the face shield adjacent the viewing opening, moving means to move the...
4937879 Automatic welding helmet  
An automatic rotatable welding helmet for TIG and MIG electric arc welding systems having safety means preventing the arc cycle from commencing until the helmet is in the fully down position. An...
4916753 Safety welding mask  
A safety welding mask is set forth provided with a self-contained battery power supply and associated switching for opening and closing of a safety window associated with the welding mask.
4888825 Full view welding shield  
The invention relates to a protecting device, especially a welding shield. The protecting device consists of a portion protecting from radiation and sparks, which portion is arranged to rest on...
4875235 Welder's mask with breath controlled eye shield  
A welder's mask with breath-activated eye shield which includes a conventional welder's mask housing with hardware for mounting upon a welder's head. A viewing opening exists in the mask housing...
4785954 Welding maskholder  
A special welding apparatus comprises welding pliers and a head shield, which may be attached together by means of an engaging groove, a pressure ball, a fixed ring, a fixed hook and a hook seat,...
4706301 Bite operated viewport  
A viewport for a welder's protective mask or the like, with a semitransparent window arranged to be opened by mandibular action of the user for inspection of a newly set weld, for example, while...
4694507 Welder's hood having a chin operated window closure  
A mechanism for opening and closing a window closure member (12) in a welder's helmut (10) by movement of the welder's chin. The helmet is provided with a chin engaging member (18), (20) which is...
4694141 Automatic welder's helmet  
An improved automatic welder's helmet having two pneumatic cylinders to effect the closing of the helmet's dark eye lens prior to energizing the welding system for striking the welding arc, and...
4686711 Eye protection device for welder protection equipment  
An eye protection device for the window of a welding hood or shield includes a first stationary screen portion and a second screen portion which is reciprocable toward and away from a position in...
4679255 Welder's mask with remote controlled eye shield  
A welder's mask having a remote controlled eye shield for allowing the user to remotely and independently control opening of the eye shield when not needed, and closing of the eye shield when...
4679254 Protective shield for a welders mask  
A protection shield, e.g., a welders mask, has an only slightly transparent screen such as a welder's glass movable in front of and away from an opening in the shield by a reversible electric...
4571741 Ergonomic helmet means  
The ergonomic helmet means according to the invention comprises a pump equipped with a control system simultaneously ensuring the supply of air to the helmet and the manipulation of the vizor....
4539713 Chin operated shield and welding hood  
An improved welding hood with a chin operated face shield provides hood stability, adjustability, ease of use, long life, an ability to hook the viewing window shield open, and positive closing of...
4525876 Welder's helmet  
A welder's helmet including a helmet portion, a filter support portion, a filter portion and a filter actuating portion; the helmet portion including a shield section, a head band section...
4510625 Light-shielding protective mask  
A switch holder is made from a rubber or a plastic and has an endless ring-like form or an arcuate form cut at both ends to fit a finger of the worker who makes the welding. A switch having a...
4185329 Welder's shield for electric arc welding  
An improved welder's shield for electric arc welding comprising a flexible gasket secured to and protruding from the inside surface of the face mask. The gasket circumscribes the viewing window of...
4130903 Protective device particularly for welding and cutting work  
The present invention relates to a protective device for performing work in areas of greatly varying light intensities, comprising a viewing window having a portion provided with a pair of...
4109132 Automatic welding mask shutter lens system  
A system for selectively pivoting a welding mask shutter lens either into an opened or closed position so that between welding operation, the work can be observed directly through the lens window...
4101979 Welding mask with automatic obscuring of the visual field  
A mask for carrying out electric arc welding by protecting the operator's eyes against both the glare and the ultraviolet rays during operation and reducing to a minimum the period of lack of...
4011594 Welding mask window door automatic operation  
An improved welding mask having a tinted window door that automatically closes as soon as a welding rod strikes an object that is intended to be welded, and wherein the door automatically opens...
3943573 Automatic protective shade equipment on protective visors, protective helmets or protective goggles, particularly for fusion welding  
Automatically operable protective means, e.g. a helmet, for use by welders, has an eye shading means which is brought automatically into shading condition upon reception of light rays or...
3914796 Welder's mask for use with respirator  
A welder's mask for use with a respirator includes an eye protecting window mounted on an integral face covering section which is provided with an enlarged depending bubble portion adapted to...
3890646 Welding hood  
A welder's helmet having a motor secured thereto to move the smoked glass from a position covering the opening in the helmet eliminating harmful rays from reaching the wearer's eyes to a position...
3838247 WELDING HELMET  
A light reducing viewing shield, or dark glass, mounted in the hood of a welding helmet for movements toward and away from an operative position in register with a viewing opening in the hood....
3833936 WELDER'S MASK  
An optically protective viewing glass is slidably mounted in slides vertically fixed at the sides of a viewing slot in a face shield. The viewing glass is driven between opposite work performing...
3775774 LENS HOLDING STRUCTURE FOR WELDER'S HELMET  
An improvement in the lens holding structure of a welder's helmet consisting of spring means to normally position a lens to overlie the lens opening of the helmet and means operable by the jaw of...
3768099 WELDER'S HELMET HAVING UPWARDLY SLIDING WINDOW  
A welder's helmet having a harmful-ray-filtering window slidable upwardly out of the welder's line of sight from a frame assembly at eye level in the front wall of a face-protective shell and...
3601814 EXTERNAL SHUTTER CONTROL FOR A WELDER'S HELMET  
In a welder's helmet, which has a movable transparent window, it is of importance to enable the user to slide the transparent window to a position either over the eyes of the user or spaced above...
3579638 EYE-SHIELD OPERATING SYSTEM FOR WELDING HELMETS  
3540058 WELDER MASK  
3517392 CHIN OPERATED SHIELD FOR WELDER'S MASK  
3490071 CHIN ACTUATED WELDING HELMET  
3368220 Welder's mask  

Matches 1 - 50 out of 68 1 2 >