Improvements relating to Hinged Ventilators

1,192,410. Ventilators. BECKETT, LAYCOCK & WATKINSON Ltd. 18 Sept., 1968 [15 Dec., 1967], No. 44368/68. Divided out of 1,192,409. Heading F4V. A hopper ventilator comprises a frame mounted in a re-entrant portion of a glass pane 10, a ventilator pane or panel 16 pivoted at 20, side walls 38 rive...

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Bibliographic Details
Main Author DEREK ARNOLD RILEY
Format Patent
LanguageEnglish
Published 20.05.1970
Subjects
AIR-CONDITIONING, AIR-HUMIDIFICATION, VENTILATION, USE OF AIRCURRENTS FOR SCREENING
ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING,OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODSSPACES OF VEHICLES
BLASTING
DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL
FIXED CONSTRUCTIONS
FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES,FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS,BLINDS, GATES
HEATING
LADDERS
LIGHTING
MECHANICAL ENGINEERING
PERFORMING OPERATIONS
RANGES
TRANSPORTING
VEHICLES IN GENERAL
VENTILATING
WEAPONS
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Summary:1,192,410. Ventilators. BECKETT, LAYCOCK & WATKINSON Ltd. 18 Sept., 1968 [15 Dec., 1967], No. 44368/68. Divided out of 1,192,409. Heading F4V. A hopper ventilator comprises a frame mounted in a re-entrant portion of a glass pane 10, a ventilator pane or panel 16 pivoted at 20, side walls 38 riveted to the side members of the frame, each wall 38 being provided with a rail 39 having spaced notches, and the upper corners of the pane 16 having detent devices 44 with plungers 45 which are spring urged into contact with the rails 39. Each device 44 is slotted on to the corresponding corner of the pane 16 and is held thereon by engagement with the walls 38. Only one side wall 38 and detent device 44 need be provided.
Bibliography:Application Number: GB19680044368