Handling: hand and hoist-line implements – Hand bars and hand barrows – Opposing jaws
Patent
1989-12-22
1991-04-02
Cherry, Johnny D.
Handling: hand and hoist-line implements
Hand bars and hand barrows
Opposing jaws
81463, 254131, 294 17, B65G 712
Patent
active
050042823
ABSTRACT:
This invention relates to devices for removing covers for utility installations, such as water meter shut-offs, that are located under streets, sidewalks, and the like. Such covers provide accessible protection for the utility devices that they cover. Embodiments of this invention include a tubular shaft, and a hammer rod which is slidably insertable within the shaft and has a combination chisel point - claw hook at its the lower end for penetrating through pavement material, dirt and the like that may have become deposited in the aperture of the cover, to enable the claw hook to latch beneath the cover and pull on one side of the cover to lift it upward. Through impact on the top of the shaft by the hammer arm via corresponding impact surface, the chisel point on the shaft may be hammered downward to cause it to penetrate into the aperture. The shaft has a hammer rod receptacle pivotally mounted on its side at its lower end into which the hammer arm may be slid following removal from within the shaft after first one and then the other of the apertures in a given cover have been penetrated sufficiently, to form, with the shaft, a long armed claw device with which to lift the cover from its receptacle.
REFERENCES:
patent: 747981 (1903-12-01), Kingsley
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patent: 4072335 (1978-02-01), Tift et al.
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patent: 4458415 (1984-07-01), Maher et al.
patent: 4470440 (1984-09-01), Thor
patent: 4482182 (1984-11-01), Mortensen
patent: 4650232 (1987-03-01), Perry
Cherry Johnny D.
Perry Equipment Corporation
Rhines William G.
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