Machine tool

Machine tool

  • CN 101,888,918 B
  • Filed: 11/26/2008
  • Issued: 09/24/2014
  • Est. Priority Date: 12/07/2007
  • Status: Active Grant
First Claim
Patent Images

1. electric tool, described electric tool has housing (2), described housing has the procapsid parts (3) above that back casing parts (4) and at least one longitudinal direction along electric tool (1) are arranged on back casing parts (4), and described electric tool has the electric drive motor (11) of the armature shaft (12) extending with the longitudinal direction along electric tool (1), wherein, armature shaft (12) is supported rotationally with the rear bearing being arranged on back casing parts (4), wherein, rear bearing (20) is configured to rigid bearing, and at least one support component (31 in addition, 32) there is axial supporting surface (37), in order to support rear bearing (20), support component (31, 32) longitudinally section is at least approximately L shaped profile, and supporting surface (37) is formed on support component (31, 32) the leg radially extending internally (33, 34) on, it is characterized in that, at least one stop protrusion (35, 38, 39) and/or locking groove be arranged on support component (31, 32) the leg (33 in axial direction extending, 34) on.according to electric tool claimed in claim 1, it is characterized in that, rear bearing (20) is configured to rolling bearing.according to the electric tool described in any one of claim 1 or 2, it is characterized in that, with rear bearing (20) axially spaced-apart be provided for supporting the fore bearing (19) of armature shaft (12).according to electric tool claimed in claim 3, it is characterized in that, fore bearing (19) is configured to sliding bearing.according to electric tool claimed in claim 1, it is characterized in that, support component (31,32) is configured to the stopping element that can be fixed on back casing parts (4).according to the electric tool described in claim 1 or 5, it is characterized in that, two support components (31,32) are set.according to electric tool claimed in claim 1, it is characterized in that, rear bearing (20) in axial direction supports and is arranged on back casing parts (4) backward and/or radially.according to electric tool claimed in claim 1, it is characterized in that, described electric tool is electric hand tool.according to electric tool claimed in claim 1, it is characterized in that, described at least one support component (31,32) consists of plastics.according to electric tool claimed in claim 2, it is characterized in that, rear bearing (20) is configured to ball bearing.according to electric tool claimed in claim 3, it is characterized in that, arranges described for supporting the fore bearing (19) of armature shaft (12) in the side that deviates from rear bearing (20) of armature core (14).according to electric tool claimed in claim 6, it is characterized in that, the support component (31,32) of two Mirror Symmetry settings and/or formation is set.according to electric tool claimed in claim 7, it is characterized in that, rear bearing (20) is arranged on the arch cover (26) in axial direction extending of back casing parts (4).

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