Grinding apparatus
AssigneeFuji Photo Film Co., Ltd.
InventorShigemitsu Mizutani
Life of this patent
Estimating the term…
Abstract
A pair of supporting arms are rotatably attached to both ends of a fixed shaft. A supporting shaft extends across forward ends of the supporting arms and in parallel to the fixed shaft. A grinding roller on which an abrasive tape is arranged, and guide rollers sandwiching it are attached to this shaft. Axial centers of the grinding roller and the guide rollers are in an eccentric state. Thus when the guide rollers contact a color filter, a gap is given between the grinding roller and the color filter, and projections can be ground corresponding to the gap.
Claims20
A grinding apparatus comprising a grinding stand, and a grinding unit which can approach and separate from a surface of a member to be ground placed on the grinding stand, for grinding the member to be ground by making relative movement in directions along the surface of the member to be ground, wherein the grinding unit comprises:
- a fixed shaft arranged substantially in parallel to an upper surface of the grinding stand;
- at least one supporting arm rotatably provided on the fixed shaft;
- a supporting shaft supported to the supporting arm to be substantially parallel to the fixed shaft;
- a grinding roller rotatably supported by the supporting shaft and having its circumferential surface on which an abrasive member is capable of being arranged;
- and
- a pair of guide rollers rotatably supported by the supporting shaft, with the grinding roller intervening therebetween;
- the supporting shaft supporting the grinding roller and the guide rollers in a state in which their axes are not coaxial.
A grinding apparatus comprising a grinding stand, and a grinding unit which can approach and separate from a surface of a member to be ground placed on the grinding stand, for grinding the member to be ground by making relative movement in directions along the surface of the member to be ground, wherein the grinding unit comprises:
- a fixed shaft arranged substantially in parallel to an upper surface of the grinding stand;
- at least one supporting arm rotatably provided on the fixed shaft;
- a supporting shaft supported to the supporting arm to be substantially parallel to the fixed shaft and having two shaft portions in which their axes are not coaxial;
- a grinding roller rotatably supported by one shaft portion of the supporting shaft and having its circumferential surface on which an abrasive member is arranged;
- a pair of guide rollers rotatably supported by the other shaft portion of the supporting shaft, with the grinding roller intervening therebetween;
- and
- an adjustment stopper which is capable of allowing rotation of the supporting shaft about its own axis, holds the shaft to the supporting arm at a predetermined position of the rotation thereby adjusting a separating distance between the grinding roller and the member to be ground when the guide rollers contact the member to be ground.
A grinding apparatus comprising a grinding stand, and a grinding unit which can approach and separate from a surface of a member to be ground placed on the grinding stand, for grinding the member to be ground by making relative movement in directions along the surface of the member to be ground, wherein the grinding unit comprises:
- a fixed shaft arranged substantially in parallel to an upper surface of the grinding stand;
- at least one supporting arm rotatably provided on the fixed shaft;
- a supporting shaft supported to the supporting arm to be substantially parallel to the fixed shaft and having two shaft portions in which their axes are not coaxial;
- a grinding roller rotatably supported by one shaft portion of the supporting shaft and having its circumferential surface on which an abrasive member is arranged;
- a pair of guide rollers rotatably supported by the other shaft portion of the supporting shaft, with the grinding roller intervening therebetween;
- and
- a rotatable lever which is capable of allowing rotation of the supporting shaft about its own axis, holds the shaft to the supporting arm at a predetermined position of the rotation thereby adjusting a separating distance between the grinding roller and the member to be ground when the guide rollers contact the member to be ground;
- an urging means connected to the supporting arm directly or through a connecting member;
- and
- a movable unit for swinging the supporting arm or the connecting member and moving the supporting arm in a direction toward the surface of the grinding stand or in a direction to make separation from the surface.
Dependencies are inferred from the claim text.