| 摘要 |
A CASTER FOR A BABY CARRIAGE(25)IS COMPOSED OF A CASTER HOLDER (3O)MOUNTED TO A FRONT LEG (12)OF A BABY CARRIAGE(LO); A CASTER COLUMN PROVIDED AT THE CASTER HOLDER(30) AND HAVING A FLANGE SHAPE PORTION (32A)AT ITS LOWER END, AND THE CASTER BEARING MEMBER (36)SLIDABLY AND ROTATABLY MOUNTED TO THE CASTER COLUMN (32) AND SUPPORTING A FRONT WHEEL (35) AT ONE SIDE. TAPERED SURFACES (32B, 36C)THAT ARE INCLINED TOWARD THE CIRCUMFERENTIAL DIRECTION AND ENGAGE EACH OTHER, ARE PROVIDED ON A TOP SURFACE(32C)OF THE FLANGE SHAPE PORTION(32A)OF THE CASTER COLUMRI(32) AND A DOWNWARD SURFACE(32D) OF THE CASTER BEARING MEMBER (36), RESPECTIVELY. A SPRING (37) IS PROVIDED BETWEEN THE CASTER HOLDER (30) AND THE CASTER BEARING MEMBER(36)TO COMPRESS THE CASTER BEARING MEMBER IN THE DIRECTION TOWARD THE FLANGE SHAPE PORTION(32A)OT THE CASTER COLUMN Q32). (FIG. 1) |
