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41. 发明专利

JPH08187257A CHAIR FOR PATIENT WITH PILES 失效
公开(公告)号：JPH08187257A
公开(公告)日：1996-07-23
申请号：JP1876395
申请日：1995-01-10
申请人： KOBAYASHI KOJI
发明人： KOBAYASHI KOJI
IPC分类号： A61G5/00 , A61G15/00
摘要： PURPOSE: To provide a chair for a patient with piles which does not press piles to reduce pain when the patient sits on and which provides a good feeling when a healthy person free from piles sits on and also suitable as a home-use chair. CONSTITUTION: This chair for a patient with piles C is composed of four legs 1 and a back part 2. At the tops of the legs 1, a seat 3 which has a rectangular shape when viewed from the horizontal is provided approx. horizontally. The seat 3 is provided with a bottom plate 30 and a relatively hard cushion material 32 is wrapped with a sheet material 31. A circular dent portion 4 is provided at the center of the seat 3. A circular through hole 5 is provided at the bottom of the dent portion 4. A circular filling body 6 is provided at the dent portion 4 so that the dent portion 4 is almost filled with the filling body 6. The diameter of the filling body 6 is larger than that of the through hole 5. The filling body 6 has a structure such that a certain amount of heating material 61 is filled in a bag body 60.

42. 发明专利

JPH07275303A FOOT CONTROLLER FOR DENTAL INSTRUMENT 失效
公开(公告)号：JPH07275303A
公开(公告)日：1995-10-24
申请号：JP7587594
申请日：1994-04-14
申请人： OSADA RES INST LTD
发明人： NAKAGAWA SHOSUKE
IPC分类号： A61C1/02 , A61C19/00 , A61G15/00
摘要： PURPOSE:To drive micro engines or air turbines, etc., by stepping down a foot lever extending horizontally, adjust the number of revolutions according to degree of stepping down and reduce frictional resistance between the lever and a sole, when stepping down the lever, by way of covering the lever with a cover-roller which can freely turn around the lever. CONSTITUTION:The foot controller comprises a foot lever 1 extending horizontally, a revolving arm 3, which operates when applying the foot lever from the right-angled direction against the extended direction of the foot lever 1, a volume adjustor 8 for regulating resistance corresponding to number of revolutions of the revolving arm 3. When the foot lever 1 is applied, it drives the dental instrument, and changes its number of revolutions in proportion to degree of stepping down. Further, the cover-roller 2 that can freely turn around the foot lever 1, can enhance its controllability.

46. 发明专利

JPH06125947A DENTAL UNIT 失效
公开(公告)号：JPH06125947A
公开(公告)日：1994-05-10
申请号：JP30602392
申请日：1992-10-19
申请人： OSADA CHUO KENKYUSHO KK
发明人： SUZUKI TAKAYUKI
IPC分类号： A61C19/00 , A61G15/00
摘要： PURPOSE:To facilitate foot control of memory/automatic operations without requiring the position of a safety switch provided at the base portion of a dental chair to be made sure by eyes by providing the safety switch with a memory/automatic switch function. CONSTITUTION:In a dental unit having a foot-controllable safety switch 12 at the base portion of a dental chair 1, if the safety switch 12 is operated following predetermined requirements when the chair 1 is in a treatment or reference position, e.g., if the safety switch 12 is pedaled twice succesively, the chair 1 is moved from the treatment position to the reference position or vice versa.

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