2037868-A is referenced by 11 patents.

A window fastener mechanism has an actuating handle (5) which is locked in a normal position by a combination lock (29) housed in the handle. The handle may be rotated from the normal position after displacement of a locking slide (21) upon depression of a release button (22) which is only actuable when the combination lock is in its unlocked configuration.

Lockable fastener handle
Application Number
GB19790036198 19791018
Publication Number
2037868 (A)
Application Date
October 18, 1979
Publication Date
July 16, 1980
Henkel Kgaa
Franzen Soehne S
E05B 37/00
E05B 37/00
E05B 13/00
E05B 37/02
E05B 13/10
E05B 37/00
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