Matches 51 - 68 out of 68 < 1 2
Match Document Document Title
4477929 Protective helmet  
An ice-hockey helmet includes a front part and a back part which are hinged together and which, to enable the size of the helmet to be altered, are arranged to be swung to and locked in different...
4432099 Individually fitted helmet liner  
An individually fitted helmet liner includes a plurality of superposed contacting layers, each of which consists of a thermoplastic sheet formed with an array of pockets which are open and unfilled...
4290149 Method of making an individually fitted helmet  
An individualized helmet assembly and method of and apparatus for making the same in which a helmet liner having a plurality of apertures is removably secured inside a fixture in the form of a...
4279038 Headprotector made of elastic material for athletes  
Headprotector for athletes, including a body of form-molded polyurethane integral foam surrounding the head on all sides, extending to the beginning of the neck vertebrae on the back of the head,...
4239106 Individually fitted helmet and method of and apparatus for making the same  
An individualized helmet assembly and method of and apparatus for making the same in which a helmet liner having a plurality of apertures is removably secured inside a fixture in the form of a...
4209858 Safety helmet  
A crash helmet such as for use by motorcylists having an inner shell of shock-absorbing material and an outer shell and visor which are constructed as a single integral piece of transparent hard...
4056852 Adjustable helmet suspension system  
An adjustable helmet suspension system for varying the height at which a met is worn on the head. A doubled strand of braid, or other type of cord, supports the suspension straps of the helmet...
4034808 Method for pump-off detection  
A method and apparatus for measuring the energy input to the rod string of a well pumping unit in real time wherein the load on the rod string is multiplied by the velocity of the rod string and...
3994023 Simplified protective helmet assembly  
A simplified protective helmet of the type in which a molded relatively rigid frame for supporting the helmet headband, chin strap and crown assemblies is formed with an upwardly opening outer...
3950788 Head and crown suspension for protective helmet  
The crown suspension consists of upper and lower dome-shaped elements each having a central portion and radially extending legs. The legs of the upper element are connected to the shell and means...
3852822 HARD HAT CROWN SUPPORT BAND ATTACHMENT  
An attachment means is provided for securing a plurality of webbings about the internal periphery of a safety helmet or "hard hat" crown in order to form a suspension system operable to maintain...
3552044 CONFORMABLE PAD FILLED WITH ELASTOMERIC PARTICLES  
3253281 Flexible strip forming part of headband  
3221340 Harness in combination with a rigid hat  
3018483 Adjustable helmet shell suspension  
2967304 Helmet shell lining  
2964754 Vertically adjustable sweat bands for helmets  
2964753 Adjustable height sweatband  
Matches 51 - 68 out of 68 < 1 2