Operating device for openable and closable structure

Details Operating device for openable and closable structure Operating device for openable and closable structure

1998-04-20

2000-07-11

Mah, Chuck Y.

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

Hinge

Including means to hold or retard hinged members against...

16342, 16274, E05C 1764

Patent

active

060853883

ABSTRACT:
A small operating device for an openable and closable structure is disclosed which can provide a large friction torque and in which the friction torque can be adjusted. The operating device comprises a rotating shaft; a holder encasing the outer circumference of the rotating shaft axially and having formed therein a bearing hole which is radially reducible in diameter;
an adjusting screw to adjust the diameter of the bearing hole in the holder; and an inner race fitted between the bearing hole in the holder and the rotating shaft and placed in axial contact with the outer circumference of the rotating shaft and radially reducible in diameter.

REFERENCES:
patent: 1097741 (1914-05-01), Voight
patent: 1433095 (1922-10-01), Peary
patent: 2260403 (1941-10-01), Preston
patent: 4490884 (1985-01-01), Vickers
patent: 5598607 (1997-02-01), Katagiri
patent: 5632066 (1997-05-01), Huong
patent: 5682645 (1997-11-01), Watabe et al.

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