To provide spherical bearings for a lock door, and the lock door provided with the spherical bearings for maintaining the smooth and accurate opening/closing operation of door bodies for a long period of time.
The non-powered type lock door 1 is provided with a pair of door bodies 2, the spherical bearings 6 for the lock door for supporting lower corner parts 4 of the door bodies 2, 3 respectively in a rotatable manner, and support parts 7 for supporting upper corner parts 5 of the door bodies 2, 3 respectively in a rotatable manner. The spherical bearing 6 is provided with a convex surface body 22 and a concave surface seat 24 coming in slidable contact with the convex surface body 22. The spherical bearing 6 is disposed downstream 16 of the support part 7 in a waterway 9 with respect to an X-direction to incline a rotating shaft C.
HIRAYAMA MAKI
BRYANT VERNON HAROLD
| JPS60186329U | 1985-12-10 | |||
| JPS5654487B2 | 1981-12-25 | |||
| JP2002285533A | 2002-10-03 | |||
| JPS5074046A | 1975-06-18 | |||
| JP2000018251A | 2000-01-18 | |||
| JPH0596545U | 1993-12-27 |
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