公开(公告)号：US20200291635A1

公开(公告)日：2020-09-17

申请号：US16815312

申请日：2020-03-11

申请人： Adolf Würth GmbH & Co. KG

发明人： Udo Cera

IPC分类号： E04B1/24

摘要： A friction plate for a timber joint between a first connection element of wood and a second connection element, with a plate-shaped carrier with a first carrier connection side for a surface connection to the first connection element and a second carrier connection side for a surface connection to the second connection element, and a roughening of at least one section of the first and/or second carrier connection side.

公开(公告)号：US20210362309A1

公开(公告)日：2021-11-25

申请号：US17239464

申请日：2021-04-23

申请人： Adolf Würth GmbH & Co. KG

发明人： Udo Cera

IPC分类号： B25B23/00 ,  B25B21/00 ,  B25B21/02

摘要： A bit holder for holding a bit for coupling the bit with a drive tool, wherein the bit holder comprises a receiving unit which is configured for receiving the bit, a tool coupling which is configured for coupling with the drive tool, and an impact load protection unit which is configured for protecting from an impact load which is acting on the bit holder, in particular on a fixing sleeve of the bit holder, when impinging the bit holder on an anchoring base, when an attachment element which is to be driven by the bit, the drive tool and the bit holder, is inserted into the anchoring base.