A vertically operating door assembly comprising a door a pair of vertically disposed and rearwardly inclined tracks said door having rollers engageable in said tracks to guide the same for.
Sliding door counterbalance.
Unfortunately my door is a bit heavier it is an old wooden door but i ve oiled the hinges so it does open and close quite smoothly.
The only problem is if the door actually closes shut though i could probably find a simple way of keeping the latch bolt of the door knob simply jamming it with a small piece of wood comes to mind.
Lift slide counterbalance gear mechanism heavy doors counterbalance features.
A slidable counterbalance assembly adapted for a sash window assembly disposed within a master frame is disclosed.
A coiled leaf spring mounted on the counterbalance assembly has its upper end.
Contact the todco customer serviceteam to find the best fit for your application.
The todco counterbalance is calibrated to the door s weight and size to ensure reliable smooth operation.
The counterbalance is one of the key strengths of a todco roll up door and not just because it provides the lift.
Counterbalance modular torsion spring system is designed to take the effort out of lifting and supporting lids covers countertops and electro mechanical equipment.