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1. 发明专利

JPS5390082A WORKING STAND 失效
公开(公告)号：JPS5390082A
公开(公告)日：1978-08-08
申请号：JP325278
申请日：1978-01-13
申请人： BOSCH GMBH ROBERT
发明人： GERUHARUTO ARUMUBURUSUTAA , ARUBERUTO KURAIDAA , FURITSUTSU SHIETORITSUHI , EEBERUHARUTO FUOOGERU
IPC分类号： B23Q9/00 , B23B45/14 , B25H1/00

2. 发明专利

JPH09183083A HANDHELD MACHINE TOOL 失效
公开(公告)号：JPH09183083A
公开(公告)日：1997-07-15
申请号：JP33206696
申请日：1996-12-12
申请人： BOSCH GMBH ROBERT
发明人： ARUBERUTO KURAIDAA , DEIITAA BUTSUTSU
IPC分类号： B25F5/00 , B23D45/16 , B24B23/02 , B24B55/00 , B25F5/02 , B28D1/04
摘要： PROBLEM TO BE SOLVED: To cause the relative turn of a handle and a motor casing by means of a structure that is inexpensive in terms of fabrication techniques and to allow split support shells to be molded simultaneously and integrally during the injection process of handle shell that is manufactured normally from plastics. SOLUTION: In a handheld machine tool, split support shells 30, 31 are formed integrally with handle shells 151, 152 and are turnably attached to a support pin 22, a bag hole 23 is formed in the end face of the support pin, and a sleeve 32 is inserted into the bag hole, is engaged with the support pin and with the concentric ends of the split support shells by means of a radial flange 321 formed at the end face, and is locked with either an end separate from the radial flange or, by means of a snap hook 322 formed near the end, a radial notch 33 in the support pin.

3. 发明专利

JPH07205053A MOTOR-DRIVEN HAND-HELD TOOL MACHINE 失效
公开(公告)号：JPH07205053A
公开(公告)日：1995-08-08
申请号：JP31509694
申请日：1994-12-19
申请人： BOSCH GMBH ROBERT
发明人： ARUBERUTO KURAIDAA
IPC分类号： B24B23/00 , B23Q11/00 , B23Q11/06 , B24B23/02 , B25F5/00 , B27B5/38
摘要： PURPOSE: To arrange a spindle arresting device on the outside of a machine housing and to resolve a seal problem with a simple structure by arranging a spindle-side locking element externally on a clamping flange, and arranging a housing-side locking element on a rotatable hand lever respectively. CONSTITUTION: A rotary tool 18 is fitted to the work spindle 13 of a machine housing 10 by a clamping device 17, and the work spindle 13 is fixed by a spindle arresting device 25. The clamping device 17 is provided with a clamping flange 19 held by the projection 131 of the work spindle 13 and a clamping nut 20 screwed to the thread ridge 21 of the projection 131. The spindle arresting device 25 is provided with multiple locking elements 26, 27 lockable together. The spindle-side locking element 27 is formed externally on the clamping flange 19, and the housing-side locking element 26 is arranged on a hand lever 29. The hand lever 29 is supported on the machine housing 10 to be capable of swiveling about a swiveling axis 30.

4. 发明专利

JPH07205054A MOTOR-DRIVEN HAND-HELD TOOL MACHINE 失效
公开(公告)号：JPH07205054A
公开(公告)日：1995-08-08
申请号：JP31725394
申请日：1994-12-20
申请人： BOSCH GMBH ROBERT
发明人： ARUBERUTO KURAIDAA , DEIITAA BUTSUTSU
IPC分类号： B24B23/00 , B24B55/05 , B25F5/00 , B27G19/02
摘要： PURPOSE: To continuously rotate a protective hood without requiring a special clamping collar by moving clamping members with an eccentric cam when a hand lever is rotated from a release position to a lock position, and crimping the clamping members to the inner wall of a clamping collar. CONSTITUTION: A protective hood 15 is fixed to a clamping neck 14 formed on the support flange 11 of a machine housing 10 by a clamping device 17. The clamping device 17 is provided with a locking means 17 engaged with the clamping collar 16 of the protective hood 15 and a hand lever 20 rotatably supported on the support flange 11. The locking means 17 is provided with multiple clamping members 18 movable in the support flange 11 and an eccentric cam 19 arranged between them. When the hand lever 20 is rotated from a release position to a lock position, the clamping members 18 are moved by the eccentric cam 19, and the clamping members 18 are crimped to the inner wall of the clamping collar 16, thereby the position of the protective hood 15 is continuously rotated over 360 deg..

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