Overhead crane
device · 1876 · Electric age
A crane on a beam in a workshop.
What it is made of
- Block and tackle — has part. A block and tackle.
- Electric motor — has part. Drives.
- Beam — has part. An overhead crane runs along a beam bridge under the workshop roof.
Principles and materials it uses
- Steel — is made of. The crane bridge is steel girders.
Where it is used
- Steel works — is part of. Overhead cranes.