| 摘要 |
PURPOSE:To realize a miniaturization and thinning, light weighing, low costing and to shorten an assembly and adjustment times by having the minimum dimensional shape planely and by fitting the main component on the main base worked with high accuracy, by having about the same dimension planely and by fitting to the sub-base worked with rough accuracy. CONSTITUTION:The main component is integrally fitted onto the main base 1 which is miniaturized and thinned and worked with high accuracy, and this main base 1 is fitted to the sub-base 13 which has about the same dimension with the device planely and which is roughly worked comparatively in its precision, for instance, subjected to a sheeting or synthetic resin forming, but a cushion 12 with spacer is subjected to a bushing to the fitting part which is engaged with the sub-space 13 of the main base 1. The composition is made by fitting a bolt 10, washer 11 to the sub-base 13 through the cushion 12 with spacer. In this way, the main base 1 to which a high accurate work is required can be miniaturized and costed down.
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