🛠️ Invention or technique

Quick-erecting mobile tower crane

Grúa torre móvil de montaje rápido

Date
1949 · confidence high
Place
Kirchdorf an der Iller, Baden-Württemberg, Germany
Credited to
Hans Liebherr
Field
Tools

⚠️ Disputed: the sources disagree.

What it is

Liebherr's TK 10 was a transportable tower crane that unfolded on site with fast erection and a small crew. It made lifting materials to great height and reach affordable in postwar reconstruction.

Tower cranes existed from the early 20th century; Liebherr's novelty is ease of erection and transport. The 'first' attribution is commercial.

What it led to

  • tall-building sites with a fixed crane at the centre
  • self-erecting and climbing cranes that rise with the building
  • modernisation of postwar construction
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