guard as to more easily obtain acess to the window for cleaning or in emergencies as in the case of a fire the key 64 is inserted in the locks 54 to retract the bolts 56 into the hollow tubular frame members and the bottom of the window guard assembly is pushed outwardly as indicated by the arrow 66 in fig3 a when the frame member 52 is pushed outwardly beyond the frame member 32 the window guard will drop retracting the pins 42 from the openings 44 and the entire window guard can be removed when it is desired to assure against the window guard dropping completely a simple hanger assembly may be employed which will support the weight of the guard while permitting it to swing outwardly at the bottom such a hanger assembly is illustrated in fig1 3 as including a strap member 68 having its bottom end mounted on the top frame member 40 as by a pin member 69 the member 68 has a key slot 70 formed therein which fits over a headed pin member 72 on the frame member 26 an alternate hanger assembly is illustrated in fig4 as including a strap member 74 mounted on the top frame member 40.