| 摘要 |
<p>A bearing (4) for scissors, consisting of a disc type retainer plate (44), and a plurality of steel balls (40), the retainer plate (44) being provided with a plurality of steel ball retaining bores (41) adapted to retain therein the steel balls to that the steel balls can be turned with the spherical surfaces thereof projecting from the front and rear surfaces of the retainer plate (44), walls (42, 43) for preventing the entry to extraneous matter, the height of which is smaller than that of the projecting portions of the steel balls (40), being formed along the whole of circumferential portions of the steel ball retaining bores (41) and the whole of an outer circumferential portion of the retainer plate (44). Scissors, wherein recesses (21, 31) are formed in opposed joint surfaces of a movable blade (2) and a stationary blade (3), and the recess-carrying portions are joined to each other by a support pin (5) and a set screw (6) with the bearing (4) fitted between these recesses (21, 31), in such a manner that these portions can be turned. <IMAGE></p> |
