Cylinder apparatus and disk brake

Details Cylinder apparatus and disk brake Cylinder apparatus and disk brake

2008-03-28

2011-12-27

King, Bradley (Department: 3657)

Brakes

Wheel

Axially movable brake element or housing therefor

C188S071100, C188S370000

Reexamination Certificate

active

08083035

ABSTRACT:
A method of manufacturing a cylinder apparatus wherein although an opening of a cylinder body is closed by a covering member, processing and parts costs are reduced, fluid leakage is prevented, and the apparatus can be reduced in size. The cylinder apparatus includes a piston (17) which is caused to slidingly move in a bore (26) of a cylinder (21). The cylinder21includes a covering member (43) provided in a bottom portion (42) of the cylinder (21), and a cylinder body (46) having an opening that is closed by the covering member (43). The covering member (43) is friction stir welded to the cylinder body (46).

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Japanese Office Action with English translation issued Nov. 24, 2010 in corresponding Japanese Application No. 2006-048842.

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