发明名称 Vacuum Brake Booster Provided with Tubes for Fixing Screws to Pass Through and Method for Producing Same
摘要 A vacuum operated brake booster, comprises a casing including a base defining at least one hole, and at least one tube extending through the casing and configured to receive a screw for fastening the brake booster to a wall of a passenger compartment of a vehicle. The tube defines a rear end with a peripheral fold forming a rear groove, and an extension extending beyond the rear groove, the extension defining a first outer edge and being configured to be folded toward an outer side of the tube to form a crimping lip. The at least one hole is bordered by a recessed ring having a form complementary to that of the rear groove of the rear end of the at least one tube. The extension is configured to be folded above a second outer edge of the recessed ring and blocked in the groove.
申请公布号 US2015314766(A1) 申请公布日期 2015.11.05
申请号 US201314648607 申请日期 2013.11.29
申请人 ROBERT BOSCH GMBH 发明人 BERTHOMIEU Bruno;SIMON BACARDIT Joan
分类号 B60T13/567;F16B7/00;F16B11/00;F16B4/00 主分类号 B60T13/567
代理机构 代理人
主权项 1. A vacuum operated brake booster, comprising: a casing including a base defining at least one hole; at least one tube extending through the casing and being configured to receive a screw for fastening the brake booster to a wall of a passenger compartment of a vehicle, the at least one tube defining a rear end and being configured to be fixed to the casing by crimping the rear end thereof in the at least one hole, wherein the rear end of the at least one tube has a peripheral fold forming a rear groove, and an extension extending beyond the rear groove, the extension defining a first outer edge and being configured to be folded toward an outer side of the tube to form a crimping lip, wherein the at least one hole is bordered by a recessed ring having a form complementary to that of the rear groove of the rear end of the at least one tube, the recessed ring defining a second outer edge configured to move against the first outer edge of the rear groove of the at least one tube and an inner edge configured to move against the extension of the at least one tube, and wherein the extension is configured to be folded above the second outer edge of the recessed ring and blocked in the groove.
地址 Stuttgart DE