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Wain-Roy Backhoe mounted to a Ford tractor 1948 Terramite T1 US Patent# 3362548A. The backhoe swing frame was invented in 1947 by Vaino (pronounced "Waino") J. Holopainen and Roy E. Handy Jr. The swing frame "allowed the hydraulic digging arm to swing to the side to dump the bucket under US patent # 2,698,697".
Excavator controls specifies ways of how a human operator controls the digging components (i.e. swing, boom, stick, bucket) of a piece of heavy machinery, such as a backhoe or an excavator. ISO controls
Backhoe Loader Cat 420E A JCB 3CX backhoe loader A JCB backhoe loader performing work in India. A backhoe loader, also called a loader backhoe, loader excavator, tractor excavator, [1] digger or colloquially shortened to backhoe within the industry, is a heavy equipment vehicle that consists of a tractor-like unit fitted with a loader-style shovel/bucket on the front and a backhoe on the back.
Attached to the end of the boom is the stick (or dipper arm). The stick provides the digging movement needed to pull the bucket through the ground. The stick length is optional depending whether reach (longer stick) or break-out power (shorter stick) is required. Most common is mono stick but there are also, for example, telescopic sticks.
A skid-steer loader can sometimes be used in place of a large excavator by digging a hole from the inside. This is especially true for digging swimming pools in a back yard where a large excavator cannot fit. The skid loader first digs a ramp leading to the edge of the desired excavation. It then uses the ramp to carry material out of the hole.
John Deere Front end loaders CAD model tracing of a tractor mounted loader mechanism CAD model tracing of a skid loader mechanism. A loader is a heavy equipment machine used in construction to move or load materials such as soil, rock, sand, demolition debris, etc. into or onto another type of machinery (such as a dump truck, conveyor belt, feed-hopper, or railroad car).
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