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    • 1. 发明专利
    • APPRECIATION DEVICE FOR HIDDEN IMAGE
    • JPH0446000A
    • 1992-02-14
    • JP15464490
    • 1990-06-13
    • HANABUSA KENJI
    • HANABUSA KENJI
    • A63H33/22B44F1/02G02B5/18G02B17/00G02B27/02
    • PURPOSE:To provide a means for correcting an image difficult to appreciate or read to an image easy to appreciate by providing a reflecting surface provided with fine recessed grooves parallel to a mirror surface optically called a reflecting type concave diffraction grating. CONSTITUTION:A reflecting mirror 2 is inclined at an angle of about 45 deg.C with respect to an image source P and the image reflected from the surface 2a of the reflecting mirror 2 is observed. Since the light incident to an eye E reaches the eye as straight advance light L and distorted light D, the left and right opposite images due to the straight advance light and a distorted image (or a diffracted image) are simultaneously looked with respect to the whole of the image. In such a system that a concave-convex reflecting mirror and a flat mirror are obliquely crossed each other at an obtuse angle, the light incident to the eye E from the image source D is reflected twice by the concave- convex reflecting mirror 2 and the flat mirror 3 to be formed into a positive image and, since the straight advance light L' from the image source is simultaneously observed, the sharpness of the image is high but the shaking of an eye axis is required in the recognition of the image.
    • 2. 发明专利
    • SLIP PREVENTING DEVICE FOR AUTOMOBILE TIRE
    • JPH10217727A
    • 1998-08-18
    • JP7255897
    • 1997-02-06
    • HANABUSA KENJI
    • HANABUSA KENJI
    • B60B19/00B60B15/26B60C27/00
    • PROBLEM TO BE SOLVED: To dispense with fitting and detaching of a tire chain by enabling a slip stopping part in a state of the device provided on the side of a tire to be adjusted so that it is projected outside from the outer circumferential grounding surface of the tire or it is retracted inside the grounding surface. SOLUTION: This slip stopping device provided with a slip stopping part 2, an expansion part 3, a vent hole 4, an intake port 7, and the like made of elastic bodies and hard bodies is provided on the side of a tire 1. When gas is injected from the intake port 7, the expansion part 3 is expanded, the slip stopping part 2 is projected outward from the grounding surface of the tire 1, and hence it is used for running on an icebound road. At running on an ordinary road, the intake port 7 is opened, and when gas is released, the slip stopping part 2 is returned in a state not contacting with the road. Hereby, fitting and detaching of the device is unnecessary, the height of the slip stopping part can be adjusted by a simple operation, and hence the changeover work on the boundary of the icebound road and the ordinary road surface can be quickly executed.
    • 3. 发明专利
    • AUTOMOBILE SLIP PREVENTION DEVICE WITH SIDE WHEEL
    • JPH10236118A
    • 1998-09-08
    • JP9126097
    • 1997-02-24
    • HANABUSA KENJI
    • HANABUSA KENJI
    • B60C27/00
    • PROBLEM TO BE SOLVED: To allow a selection work at a boundary between the ice and snow covered road and the ordinary road in a short time via a simple operation, and make the work efficient and safe by laying a side wheel at the side of an automobile wheel and making the side wheel demountable whenever necessary. SOLUTION: This side wheel has a shape resembling an automobile wheel thinned approximately by one-third, and antiskid parts 1 are formed on the outer installation surface thereof. Furthermore, side mounting parts 2 are members for mounting the side wheel to the automobile wheel. A handle 3 is provided at the opposite side of the mounting parts 2. Also, a convenience for mounting and demounting work is obtained, when a holder is preliminarily fitted to the rim of an automobile wheel to be used. In addition, when the side wheel is structured to be adjustable in size (diameter) whenever necessary, efficiency for use can be ensured. According to this construction, a mounting and demounting work can be done in a short time, and safety can be ensured.