Jib having two adjustable elements

Details Jib having two adjustable elements Jib having two adjustable elements

1975-01-10

1976-08-31

Purser, Ernest R.

Static structures (e.g., buildings)

Machine or implement

52116, 52758N, 212144, 214141, 403 85, E04H 1234, E04B 1343

Patent

active

039771482

ABSTRACT:
This invention relates to a jib of a public works machine constituted by two elements, a piece for connecting said two elements, and removable means for locking the piece to the elements.
The connecting piece is mounted on one element and comprises first holes disposed at the apex of a polygon; the other element comprises second holes separated from one another by distances equal to the length of the sides of the polygon; finally, when the jib is assembled, the connecting piece is fast with the first element via its axis of rotation and a removable pin introduced into a corresponding hole and in a special hole of said first element and fast with the second element via two removable pins introduced into corresponding holes.
One application of this invention is the realization of a hydraulic shovel whose overall size is reduced for suitable road-transport.

REFERENCES:
patent: 2429009 (1947-10-01), Woolslayer et al.
patent: 3295270 (1967-01-01), Woolslayer et al.
patent: 3465904 (1969-09-01), Pensa
patent: 3691866 (1972-09-01), Berkes

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