Window crank & closer

Question

Closer is u.s patent 4,674,777
Crank is u.s patent 4505601
& UK patent 2135397

Casey · Accepted Answer

Hello,

Take a look at the 39-187 and 39-188 operators, as well as the 38-036 lock, to see how the specifications compare to undamaged versions of your original hardware. Thanks for posting!