Patent ID: 11877690
Assignee: SOCIETE DES PRODUITS NESTLE S.A.
Field: Furniture, games (Other fields)
Classification: CPC A | IPC A

Claim 0:
1. An extraction unit of a beverage preparation machine, the extraction unit configured to extract an ingredient of a beverage from a capsule, the extraction unit comprising:
a capsule holder operable to move between a capsule receiving position and a capsule extraction position;
a capsule holder loading system operable to actuate the capsule holder between the capsule receiving position and the capsule extraction position, the capsule holder loading system comprising an actuator unit and a loading mechanism, the actuator unit configured to actuate the loading mechanism; and
the loading mechanism comprising a linear actuator, the loading mechanism further comprises a planetary gear train, the actuator unit configured to supply rotary motion to the planetary gear train, the planetary gear train configured to gear down the rotary motion, the linear actuator configured to: receive geared down rotary motion, convert the geared down rotary motion into linear motion, and couple the linear motion to the capsule holder;
wherein the linear actuator comprises a rotary member and a guide member, the rotary member configured to receive the geared down rotary motion from the planetary gear train and, in response, to displace axially along the guide member by means of a screw threaded connection to the guide member;
an annular gear of the planetary gear train is arranged at an inner surface of the rotary member and an outer surface of the rotary member comprises a male screw thread, and an inner surface of the guide member comprising a complimentary female screw thread; and
the planetary gear train has a reduction ratio between 5 and 15.