Window balance for older wood windows & industrial applications. Replaces sash window weight or spring reel. As featured in "This Old House".
Provided is a balancer for a sash window, having a compact ratchet mechanism. Also provided is a sash window having an excellent function, such as the function of natural illumination, achieved using the balancer. The present invention is provided with: a shaft member (132); a spiral spring ...
Push the upper sash upward, as far as it will move and pull the lower sash to the bottom of the window. Once both sashes are in their proper positions you will be able to engage the lock. The top sash has dropped from its pocket. Push the upper sash all the way to the top ...
A window spring system for jamb liners 10 having a guide rails 11 formed in sash run regions 12 includes a spring 40, spring cover 60, spring anchorage 30, and sash platform 50 assembled within spring cover 60 that encloses spring 40 and has a closed back side 61 formed with opposite ...
and an operating member that is operated for retracting the engaging member into the case against the urging force of the spring. The latch devices are mounted respectively to intersecting portions where an upper frame element (a mating frame element) of the sash and the two vertical frame eleme...
PROBLEM TO BE SOLVED: To provide a double-hung window prevented from the fall of an inner sash due to cut off of two lateral suspension ropes.;SOLUTION: Locking members 31 are mounted to right and left stiles of an inner sash 2 respectively, and lock receiving members 32 are mounted to ...
2774100Adjustable spring sash balance1956-12-18Larson et al.16/197 2637875Spring assembly1953-05-12Hess16/197 2622267Spring balancer1952-12-23Peremi16/197 2604655Spring balancer1952-07-29Peremi16/197 2477069Adjusting means for spring balances1949-07-26Larson16/197 ...
Also provided is a sash window having an excellent function, such as the function of natural illumination, achieved using the balancer.\nThe present invention is provided with: a shaft member (132); a spiral spring (150) which has one end affixed to the shaft member; a winding drum (140...
PROBLEM TO BE SOLVED: To close a window and to open it from a closed state in a sash window balancing device for generating a balanced load corresponding to the weight of the window by using a spiral rod and a torsion spring screw-engaged with a coupling. To be able to operate lightly...
A wire is connected to a winding spring installed in a balancer, and one end of the wire runs through the guide groove 15 and is connected to a support member 13 of the lower window sash 4. The wire length is adjusted with the winding spring, in response to lifting/lowering of the ...