초록 ▼

A turntable wherein a base member supports rotatably a rotatable member through a shaft and a bearing. The bearing consists of a plate member positioned between the base member and the rotatable member and rollers which are rotatably held in a plurality of roller retaining bores formed in the plate

A turntable wherein a base member supports rotatably a rotatable member through a shaft and a bearing. The bearing consists of a plate member positioned between the base member and the rotatable member and rollers which are rotatably held in a plurality of roller retaining bores formed in the plate member. The shaft is inserted rotatably through the plate member. The bores extend radially around the shaft.

대표청구항 ▼

A turntable comprising: a base member, a rotatable member supported above said base member by a shaft positioned at the center of said base member and said rotatable member so that said rotatable member is rotatable freely via said shaft with respect to said base member, and a bearing means arranged

A turntable comprising: a base member, a rotatable member supported above said base member by a shaft positioned at the center of said base member and said rotatable member so that said rotatable member is rotatable freely via said shaft with respect to said base member, and a bearing means arranged between said base member and said rotatable member, said bearing means including: a plate member positioned between said base member and said rotatable member, said shaft being inserted rotatably through said plate member at the center thereof, a plurality of elongated roller retaining bores formed in said plate member so that said bores extend radially around said shaft, and elongated cylindrical rollers rotatably held in said roller retaining bores and sandwiched between said base member and said rotatable member, and each of said roller retaining bores being provided with inwardly extending projections at the upper and lower edge portions of two opposing side sections of said bores for retaining each respective roller within the respective bore.