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En dørvriderspindel omfatter to deler (1, 2) som er forbundet med hverandre ved hjelp av en kobling som fastholder delene aksialt i forhold til hverandre, men tillater relativ rotasjon. Koblingen omfatter et rotasjonssymmetrisk fremspring (3) på den ene del (1) og et spor (4) i den andre del (2) med et tverrsnitt som er utformet slik at fremspringet (3) kan opptas formtilpasset i sporet. Dørvriderspindelen (1, 2) benyttes for låser (7) med todelt fallrør hvor fallrør- delene (5, 6) skal kunne dreies uavhengig av hverandre.A door swivel spindle comprises two parts (1, 2) which are connected to each other by means of a coupling which holds the parts axially to each other but allows relative rotation. The coupling comprises a rotationally symmetrical projection (3) on one part (1) and a groove (4) in the other part (2) having a cross section designed so that the projection (3) can be accommodated in shape in the groove. The door swivel spindle (1, 2) is used for locks (7) with two-part drop tubes where the drop tubes (5, 6) can be rotated independently of one another.