A rollup barrier is provided for a robotic station. The barrier includes a track having a tapered portion at its lower end. A switch is mounted at the extreme lower end of the track. The switch prevents actuation of the robotic equipment unless the barrier is moved to its extreme lowermost position. Extensible cylinders are used for connection to a chain trained around a sprocket in order to roll the roller.

A safety trocar is provided in which the cannula is reciprocally mounted to the cannula housing and reciprocates into the cannula housing when a proximally directed force is applied thereto. The piercing tip is maintained in the exposed position by a latching mechanism associated with the obturator shaft, and is automatically withdrawn into the cannula under the force of a spring when the proximal force is removed from the cannula, the cannula thus advancing distally and releasing the latching m...

A safety valve comprises a main body, fixed body, meltable body, movable body, biasing member, movable plug and plug holding means. The fixed body has a small passageway communicating with the interior of a container, and an upper large passageway. The movable plug has a small portion fitting in the upper end of the small passageway of the fixed body, an intermediate portion providing a clearance therearound inside a lower end portion of the large passageway of the fixed body, and a large portio...

A safety razor with a plurality of blades comprising a head provided with a plurality of vertically adjacent blades, which do not wholly overlap one another, and blade support parts supporting the respective blades apart from one another in order to retain the respective blades at spaces, and wherein non-overlapping portions, which do not overlap one another, are formed on supported portions of the respective blades and the blade support parts are held to the non-overlapping portions of the blad...

A safety propeller for a boat motor includes an annular collar having a front opening, a rear opening and a continuous peripheral wall. A plurality of angled, horizontal slits are circumferentially positioned about the peripheral wall to allow water to pass through the collar. Both the front opening and rear opening each include a plurality of guard blades radially extending from a centrally disposed hub. Between the front and rear guard blades is a main propeller likewise including a plurality ...

A safety can for storing flammable liquid is disclosed. The safety can includes a receptacle and a valve mechanism. The valve mechanism can include a body assembly, a fill cover assembly, a pour valve assembly, a trigger assembly, and a handle. The body assembly of the valve mechanism can be mounted to the receptacle. The body assembly can include a fill spout and a separate pour spout. The fill cover assembly can be pivotally mounted to the body assembly about a fill cover axis. The pour valve ...

A vertically adjustable safety railing system for obtaining safety railing access to the tops of mobile equipment of various heights such as tank trucks. The safety railing apparatus generally includes a plurality of posts, a railing, and activating means in communication with an actuating means. The safety railing having a collapsed condition and a vertically upright condition. The posts are pivotally mounted to mounting plates as well as connected to the railing so that when the posts are rota...

A safety razor blade unit is provided including at least one blade with a sharp cutting edge extending lengthwise of the blade unit, the blade being carried by a blade assembly, a support structure to which the blade assembly is pivotally joined by a hinge running the length of the blade, the support structure including first spring elements, disposed along the length of the blade assembly, configured to resiliently oppose local deformation of the blade unit under shaving forces encountered in r...

A safety device is disclosed which is configured to be actuated by the supply of gas. The safety device incorporates an outlet vent pipe which is sealed by a releasable clip. The releasable clip has a first elongate main gripping element and a second elongate moveable gripping element. The main gripping element has a retaining element to retain one end of the moveable gripping element. The safety device also includes an arrangement to retain the other end of the moveable gripping element in a pr...

Safety syringe that includes a cylindrical chamber having a front end that includes a discharge end, a plunger slidably coupled to the cylindrical chamber, and a needle holder structured to receive a needle having at least a portion of which that protrudes from the discharge end. A cylinder unit is slidably arranged within the front end, and a plunger seal, coupled to the plunger, is arranged for movement relative to the plunger after medicament discharge. The plunger is arranged to slidably mov...