Door closer
A technology of door closers and fixing holes, applied in the field of door closers
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[0020] exist figure 1 and 2 A top view and a side view of the door closer according to the invention are shown in .
[0021] The door closer has a housing 1 which is fastened via fastening screws 3 to a door 2 or the like, which is designed, for example, as a wooden door with engagement grooves. A shaft 4 extends from the housing 1 of the door closer, on which shaft 4 is fastened a lever 5 which engages with its other end in a guide rail 6 . The guide rail 6 is fixed on a wall 7 or the like.
[0022] The housing 1 is provided with a mounting flange 8, 9 on its two end faces respectively, in which three fixing holes 10 are provided. These fastening holes 10 serve to receive fastening screws 3 .
[0023] The fixing holes 10 in each fitting lug 8, 9 are spaced an equal distance from each other, for example about 19mm. Also, they are aligned with each other.
[0024] The fixing holes 10 are arranged such that the middle fixing hole 10 is located on the longitudinal center p...
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