Hinge device for coupling rotatable member to another member

Details Hinge device for coupling rotatable member to another member Hinge device for coupling rotatable member to another member

1991-11-29

1993-03-23

Spruill, Robert L.

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

Hinge

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

16321, 16386, E05C 1764, E05D 1110, E05D 510

Patent

active

051952130

ABSTRACT:
A hinge device comprising a shaft, a coil spring, a shaft holder, and a bracket. The coil spring has a coiled portion wound around the main portion of the shaft. The shaft holder is secured to a first member and holds one end of the shaft, thus preventing the shaft from rotating. The bracket supports both end portions of the shaft, and is secured to a second member. The bracket, therefore, allows the first and second members to rotate relative to each other around the shaft. The main portion of the shaft has a cross section having a short diameter and a long diameter. The coiled portion is formed of a plurality of turns contacting one another. Each turn extends at a predetermined pitch angle to a line which extends at right angles to the axis of the shaft. The turn therefore looks elliptical when viewed in the axial direction, and has a short diameter greater than that of the main portion of said shaft, and a long diameter substantially equal to that of the main portion of said shaft. When the first and second members are rotated relative to each other around the shaft, the coiled portion is elastically deformed, changing the pitch angle and applying a frictional drag to the shaft. This drag suppresses the rotation of the first member or the second member.

REFERENCES:
patent: 673000 (1901-04-01), Dyer
patent: 1805324 (1931-05-01), Bird
patent: 4734955 (1988-04-01), Connor
patent: 5052078 (1991-10-01), Hosoi

Affiliated with

Also associated with

Rating

Hinge device for coupling rotatable member to another member does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Hinge device for coupling rotatable member to another member, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Hinge device for coupling rotatable member to another member will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1343267