Sliding door closing device

Details Sliding door closing device Sliding door closing device

1998-03-11

1999-08-17

Mah, Chuck Y.

Miscellaneous hardware (e.g., bushing, carpet fastener, caster,

Closers

Spring and flexible link

16 77, E05F 108

Patent

active

059374780

ABSTRACT:
A device for closing a sliding door includes a housing that attaches to the trailing edge of the sliding door. A tensioned cable extends from a spool in the housing to the door frame. When the sliding door is opened, the cable extends and undergoes an increase in tension. When the door is released, the cable is retracted and undergoes a decrease in tension as it forces the door closed. Cable tensioning is provided by a torsion spring that connects the cable spool to a concentric ratcheted axle. The device permits the user to readily increase or decrease the tension of the cable independently of the amount of cable extended by either ratcheting the axle with respect to the spool or by releasing the ratchet pawl.

REFERENCES:
patent: 3246363 (1966-04-01), Rogas et al.
patent: 3332638 (1967-07-01), Jessup et al.
patent: 3480227 (1969-11-01), Matthews
patent: 3502280 (1970-03-01), Jessup et al.
patent: 4675938 (1987-06-01), Bundschuh
patent: 4757642 (1988-07-01), Hahn
patent: 5630249 (1997-05-01), Rebai, Jr.

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