Bucket fastener for a hydraulic shovel

Details Bucket fastener for a hydraulic shovel Bucket fastener for a hydraulic shovel

2001-05-25

2003-01-21

Matecki, Kathy (Department: 3652)

Material or article handling

Vertically swinging load support

Shovel or fork type

C037S468000, C172S274000

Reexamination Certificate

active

06508616

ABSTRACT:

BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention is related to a hydraulic shovel, and more particularly to a bucket for the hydraulic shovel.
2. Description of Related Art
A hydraulic shovel is a machinery widely used in construction industry. A hydraulic shovel generally is composed of a boom (as an upper arm of a human) extending from beside a cab and controlled by a boom cylinder, an arm (as a forearm of a human) pivotally mounted at a distal end of the boom and controlled by an arm cylinder, and a dipper bucket (as a hand of a human) pivotally mounted at a distal end of the arm and controlled by a bucket cylinder. Moreover, a lateral link and a vertical link are respectively pivotally mounted with the arm and the dipper bucket.
When the dipper bucket is replaced with another one, the pins between the bucket and the arm, and between the bucket and the vertical link must be disassembled and re-assembled while a new dipper bucket is mounted. This process is time-consuming and need about 40 minutes for a specialized worker.
Therefore, the invention provides a bucket fastener to mitigate and/or obviate the aforementioned problem.
SUMMARY OF THE INVENTION
The main objective of the invention is to provide a bucket fastener to facilitate an operation of attaching/detaching a dipper bucket on a hydraulic shovel.


REFERENCES:
patent: 4560300 (1985-12-01), Vollmer et al.
patent: 4810162 (1989-03-01), Foster
patent: 6058633 (2000-05-01), Barden

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