In the present invention, when a person will wear a helmet, it will be confirmed by helmet wear sensor (photo diode). And alcohol sensor will confirm that ...

The invention relates to the technical field of safe power production, particularly to an electricity induction alarm device of a safety helmet.

By equipping the end user to technology that helps by warning of incoming traffic and also monitors their environment the invention will act as a means to lower ...

... Safety Appliances Co Safety helmet. US2981317A * 1957-11-22 1961-04-25 Chance Vought Corp Shock absorbing safety seat. US3000020A * 1958-05-15 1961-09-19 ...

US4209858A 1980-07-01 Safety helmet. US6401258B1 2002-06-11 Headgear for sports fans. US20130340149A1 2013-12-26 Detachable protective helmet shield and helmet.

Sep 1, 2022 ... About MSA Established in 1914, MSA Safety Incorporated is the global leader in the development, manufacture and supply of safety products that ...

[0001]. This application claims priority to U.S. Provisional Patent Application No. · [0002]. The present invention relates to helmets and safety devices for ...

Illuminated safety helmet with layer for electrically connecting light emitting diodes ... helmet with a helmet light system and method for operating a helmet ...

The helmet herein is formed of an outer shell which may be of a rigid, strong, hard material such as a glass fiber reenforced plastic resin. It is formed with a ...

A pair of strap retainers are mounted on opposite sides of a safety helmet for securing safety goggles in a storage position. An open slot is formed in each ...

The helmet herein is formed of an outer shell which may be of a rigid, strong, hard material such as a glass fiber reenforced plastic resin. It is formed with a ...

A pair of strap retainers are mounted on opposite sides of a safety helmet for securing safety goggles in a storage position. An open slot is formed in each ...

Finite element analysis of impact damage response of composite motorcycle safety helmets. V Kostopoulos, YP Markopoulos, G Giannopoulos, DE Vlachos. Composites ...

10, 1962 0 on I U K E INVENTOR, 7'50 Z8/KOW5/(4 ,4 rraer/e/s United States Patent 3,137,859 SAFETY HELMET HEAD SUSPENSIQN Ted Zbikowski, Detroit, Mich, assignor ...

The applicants have identified the pressing need (and opportunity) to develop a safer, advanced, 'eco-structural' bicycle helmet, which incorporates dedicated ...

A low mass safety helmet is provided, containing a sandwich of polymer composite materials to produce an effective means of shock mitigation to a wearer's ...

FIG. 1 is a front elevational view of a liner for a safety helmet showing our new design; FIG. 2 is a rear elevational view thereof; FIG. 3 is a top ...

Said ends are provided with eyelets I3 through which is passed a head-size adjustment cord I4 which draws said ends together. The cord I I is tied into a ...

FIG. 1 is a perspective view of a safety helmet showing my new design;. FIG. 2 is a front elevational view thereof;. FIG. 3 is a rear elevational view ...

... safety helmet has the air bag type buffer effect and is safe and breathable. Simultaneously, the inflatable portable safety helmet can be folded when not ...