A clutch (10) for lifting a concrete component, including a toroidal connector (12), a latch (14) movable relative to the toroidal connector between a disengaged condition and an engaged condition, and a coupler (16) for coupling the toroidal connector to a lifting apparatus, wherein the coupler includes a first part (20) and a second part (22) pivotal relative to the first part about a pin (28), and wherein the coupler includes a tamper evident indicator (46) to indicate that the clutch has not been disassembled.
CLUTCH HAVING TAMPER EVIDENT INDICATOR
KUPPLUNG MIT ORIGINALITÄTSSICHERUNGSANZEIGE
EMBRAYAGE DOTÉ D'UN INDICATEUR ANTI-SABOTAGE
2023-01-18
Patent
Electronic Resource
English
IPC: | B66C Krane , CRANES / E04G SCAFFOLDING , Baugerüste / F16B DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES , Vorrichtungen zum Befestigen oder Sichern von Konstruktionselementen oder Maschinenteilen, z.B. Nägel, Bolzen, Schrauben, Sprengringe, Klemmen, Klammern oder Keile / G09F DISPLAYING , Anzeigewesen |
Cubicle provided with a resettable tamper-evident indicator
European Patent Office | 2020
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