Material or article handling – Vertically swinging load support – Shovel or fork type
Patent
1991-02-27
1993-02-09
Huppert, Michael S.
Material or article handling
Vertically swinging load support
Shovel or fork type
91 54, 180 534, B66C 302
Patent
active
051849330
ABSTRACT:
A mini-size universal hydraulic excavator capable of performing independently many operating processes, such as digging, pushing, grabbing, drilling and chipping, having essentially three main sections, namely, a chassis carrying traveling device pivotally connected with an earth-moving means, a complete swivel upper carriage provided with a power generator and a driver's seat, and an excavating arm having a boom, a bucket arm, and a bucket. A hydraulic chipper can be connected to the main machine without the necessity of removal of the bucket and the earth-moving means, so that chipping and site clearing can be carried on simultaneously solely by one single machine. A backhoe bucket carrying a scraper employs a multi-bar linkage mechanism having a bucket body, a scraper, and a bucket arm so that the bucket can have sufficient bucket capacity in a relatively greater excavating revolving angle range. Specially-set accessory operating equipment oil lines are used to drive all the hydraulic operation equipments except the bucket.
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patent: 4966240 (1990-10-01), Aikawa
Dong-shen Zhou
Jian-he Liang
Jun-zhi Yang
Pei-qian Zhong
Wen-kang Zheng
Huppert Michael S.
Underwood Donald W.
Yulin Diesel Engine General Works
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