US 12,000,480 B2
Locking unit with two-part middle piece
Ralph Wassermann, Holzgünz (DE); and Florian Hölzle, Illertissen (DE)
Assigned to SVM Schultz Verwaltungs-GmbH & Co. KG, Memmingen (DE)
Filed by SVM Schultz Verwaltungs-GmbH & Co. KG, Memmingen (DE)
Filed on May 5, 2023, as Appl. No. 18/313,074.
Claims priority of application No. 102022111232.2 (DE), filed on May 5, 2022.
Prior Publication US 2023/0358310 A1, Nov. 9, 2023
Int. Cl. F16H 63/34 (2006.01); B60T 1/00 (2006.01)
CPC F16H 63/3433 (2013.01) [B60T 1/005 (2013.01); F16H 63/3475 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A locking unit for locking a movement of a piston which can be acted on with pressure of a fluid, the locking unit comprising:
the piston;
an electromagnet;
at least one detent element;
a middle piece; and
a housing,
wherein the at least one detent element interacts with an armature or an armature rod of the electromagnet, wherein the piston has at least one detent receptacle, wherein the piston can be secured by a retaining interaction of the at least one detent element with the at least one detent receptacle, wherein the piston is adjustable between a retracted position and an extended position, wherein the piston is mounted at least partially in the middle piece, wherein the middle piece is surrounded at least partially by the housing, wherein the middle piece is configured in two parts from a metal part and a plastic part,
wherein the plastic part has supporting segments which run in a longitudinal direction on a circumferential side of the plastic part, extend in a radical direction, and can support a tubular piece, the metal part, or both the tubular piece and the metal part.