1
Chapman Colin William, Hutton Melvin John, Kelly John: Operating mechanism for espagnolettes and similar fasteners. Cego, September 1, 1993: GB2264529-A (13 worldwide citation)

An operating mechanism for a door or window fastener of the espagnolette type in which two slidably mounted locking bars are driven by the operating mechanism simultaneously in opposite directions to fasten or unfasten the door or window comprises a master pinion (21) which is mounted so that it can ...


2
Chapman Colin William: Window stays. Cego, May 13, 1987: GB2182387-A (13 worldwide citation)

A window stay comprises a track (2) which defines a channel (4) in which a guide portion (5) of a slider (6) is longitudinally movable. One end of each of a pair of links (8, 10), is pivotally mounted to the slider (6). The other end of the link (8) is pivotally mounted to one end (12) of a bar (14) ...


3
Chapman Colin William: Four bar window stays. Cego, September 21, 1988: GB2202271-A (8 worldwide citation)

A four bar linkage type window stay has a cap member (26) mounted at one end of a track (2). The cap member (26) defines a recess (24) in which a tapered end (12) of a bar (14) is received in the closed position of the stay. One side of the recess is defined by an upstanding cam edge (64), and the o ...


4
Chapman Colin William: Window stays. Cego, September 14, 1988: GB2201997-A (7 worldwide citation)

A four bar linkage type window stay has a cap member (26) mounted at one end of a track (2). The cap member (26) defines a recess (24) in which a tapered end (12) of a bar (14) is received in the closed position of the stay. One side of the recess is defined by an upstanding cam edge (64), and the o ...


5
Chapman Colin William, Hutton Melvin John, Saville Roland Phillip: Locking handle. Cego, July 21, 1993: GB2263304-A (6 worldwide citation)

A locking handle for a door or window comprises a fixing plate (1), a handle (11) which is pivotally mounted on the fixing plate for movement between open and closed positions, and a catch (19) which automatically engages when the handle is moved into the closed position to prevent subsequent moveme ...


6
Chapman Colin William, Hutton Melvin: Lockable handle assembly. Norcros Investments, September 17, 1986: GB2172331-A (4 worldwide citation)

A locking handle assembly of the cockspur type includes a handle portion (10), a pivot portion (16) a nib (18) rigid with the handle portion, a mounting plate on which the handle is mounted by the pivot portion and, in a part of the handle portion adjacent to the pivot portion a recess (19) receives ...


7
Chapman Colin William, Howson Dr Ronald Philip, Coffman Geoffrey Peter, Hanby Victor Ian: Ventilator. Norcros Investments, October 17, 1984: GB2138124-A (4 worldwide citation)

A ventilator for incorporation in a window frame or structure surrounding a window frame includes heat-exchange surfaces (26,28) providing for exchange of heat between air extracted from an associated room and air drawn into that room.


8
Chapman Colin William: Window stays.. Cego Engineering, June 10, 1987: EP0225058-A1 (4 worldwide citation)

A window stay comprises a track (2) which defines a channel (4) in which a guide portion (5) of a slider (6) is longitudinally movable. One end of each of a pair of links (8, 10), is pivotally mounted to the slider (6). The other end of the link (8) is pivotally mounted to one end (12) of a bar (14) ...


9
Chapman Colin William, Hutton Melvin John, Saville Roland Phillip: Locking handle.. Cego, July 21, 1993: EP0552033-A1 (1 worldwide citation)

A locking handle for a door or window comprises a fixing plate (1), a handle (11) which is pivotally mounted on the fixing plate for movement between open and closed positions, and a catch (19) which automatically engages when the handle is moved into the closed position to prevent subsequent moveme ...


10
Chapman Colin William, Howson Ronald Philip, Cottman Geoffrey Peter, Hanby Victor Ian: Ventilator. Norcros Investments, September 21, 1984: FR2542853-A1

A ventilator for incorporation in a window frame or structure surrounding a window frame includes heat-exchange surfaces (26,28) providing for exchange of heat between air extracted from an associated room and air drawn into that room.