Closure fasteners – Bolts – Multiple
Patent
1985-11-21
1987-12-29
Friedman, Carl D.
Closure fasteners
Bolts
Multiple
292 87, E05C 1906
Patent
active
047156287
ABSTRACT:
The invention relates to a lock for kitchen and bathroom doors and drawers and the like. The lock is secured to the door or drawer and restricts access of children to such cabinets and drawers. The invention uses the difference between the middle and third fingers on an adult's hand combined with a specified stiffness in the locks operating parts to restrict children from operating the lock. As well the lock is a combination finger lock where there are dummy locking devices. The lock comprises a pair of locking protrusions which interlock with catches on the cabinet frame. A set of blocking protrusion joined by a bar and or pad. The blocking protrusions interlock with the locking protrusions preventing their movement downwards until the blocking protrusions are moved downwards first. A set of dummy protrusions, somewhat similar in shape and design to the locking protrusions, interlock with the catches on the cabinet frame when they are inadvertently pressed down.
REFERENCES:
patent: 3397001 (1968-08-01), Friedman
patent: 4191411 (1980-03-01), Rodgers
patent: 4198084 (1980-04-01), Trotta
patent: 4416477 (1983-11-01), Bialobrzeski et al.
patent: 4505526 (1985-03-01), Leck
patent: 4542924 (1985-09-01), Brown et al.
Baines John H.
Brink Satya S.
Poulin Suzanne C. M.
Friedman Carl D.
Smith Creighton
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