Salem Vent International, Inc.

Mountain Car Company

Randy L Pratt

Timothy A Kelly

James T Humphrey

A two-way hingeless ventilator for ventilating an enclosure through a wall thereof has a frame defining an opening therethrough. A closure member is disposed against an outer side of the frame and is alternately swingable relative to the frame between open and closed positions at opposite sides of the opening. A tensioning rod is fixed on the frame and extends between opposite sides of the opening. An actuating member extends from an inner side of the closure member through the opening and intermediate ends of the tensioning rod. A positioning slot is defined in the actuating member through which the tensioning rod passes in a tensioned condition to apply a closing force to the closure member. The positioning slot has a central position defining a closed position of the cover member and opposite side slots extending away from the central position. The closure member is variably movable from the closed position to oppositely facing open positions by rotation or pivoting of the actuating member which causes the tensioning rod to variably engage along either of the side slots in its tensioned condition. An assist member is configured with the actuating member to add a mechanical advantage to the opening and closing operation.

Hingeless ventilator

Handle for air vent

A remotely controlled powered hingeless ventilator has a cover configured on a frame on a side thereof opposite from a tension rod. The cover is variably positionable between a closed position and a fully open position relative to the frame. An actuating member connected to an underside of the cover extends through a slot in a plate member across the ventilation opening and includes an arcuate guide slot defined therein. The tension rod is disposed through this guide slot. A motor is mounted on the frame and is connectable to a power source. The motor includes a rotatable drive arm connected to the actuating member. The drive arm has a generally arcuate shape and is connected to the actuating member so that an opening and closing force is exerted by the drive arm to the actuating member along a line of force corresponding generally to an extension of the arcuate guide slot.

Powered hingeless ventilator

A vent assembly is provided for any manner of vehicle or vessel. The vent assembly includes a vent which is operable between selective open positions and a closed position. The vent is rotatable relative to a panel through which the vent is disposed so that the vent can act as a forced air vent or exhaust vent.

Vent assembly

A through-wall bushing defines a protected passage through a wall or similar structure, and includes a first member having an axially extending threaded portion. A second ring member is threaded onto the first member and clamps the wall structure between opposing flanges of the first member and second ring member. At least one friction inducing locking mechanism is configured on at least one of the threaded surfaces of either the first or second member, or both members. This friction inducing locking mechanism has a configuration that increases the degree of torque required to tighten and loosen the respective members upon the threads engaging the locking mechanism. The locking mechanism has a shape so that, once engaged with opposite threads, the torque required to loosen the members is greater than the torque required to further tighten the members.

Through-wall bushing

A vented window assembly is provided for any manner of vehicle or vessel. The window assembly has a unitary piece of glass with an opening defined therein. A vent assembly is mounted in the opening and is sealingly engaged with the glass. The vent assembly includes an operable vent which is selectively positioned between an opened position and a closed position. The vent is rotatable relative to the glass so that the vent can act as a forced air or exhaust vent.

Growing community of inventors

Salem, VA, United States of America

Randy L Pratt