The invention relates to a boom arm (6), to a distributor boom (2) with at least two boom arms (6), to a concrete pump (1) with a distributor boom (2) comprising at least two boom arms (6), and to a method for producing a boom arm (6) according to the invention. The boom arm (6) according to the invention has a first and a second end, wherein a rotary joint with a joint axis (5) is provided at least at one end of the boom arm (6), and a holding element (9) protruding out of the boom arm (6) is provided at a defined position relative to the joint axis (5). In order to secure the holding element (9) to the boom arm (6), a sleeve (10) is provided which completely passes through the boom arm (6) and is closed on one side and the flange surface (11) of which has a through-bore (13), the holding element (9) being secured to said through-bore by means of a securing element (20) inserted through the open end (12) of the sleeve (10). The distributor boom (2) and the concrete pump (1) according to the invention are designed with at least one respective boom arm (6) according to the invention.
AUSLEGERARM MIT INNEN LIEGENDER ROHRHALTERVERSCHRAUBUNG
BOOM WITH AN INTERNAL SCREW FASTENING FOR A PIPE RETAINER
BRAS AVEC UNE FIXATION PAR VIS INTERNE POUR UN SUPPORT DE CONDUIT
2023-06-14
Patent
Electronic Resource
German
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