Percussion tool and cartridge-type oil tank therefor

Details Percussion tool and cartridge-type oil tank therefor Percussion tool and cartridge-type oil tank therefor

1978-02-02

1980-01-15

Brown, David H.

Tool driving or impacting

Impacting devices

Spring bodily cyclically moved with hammer head

184 64, 222 88, 173DIG3, E21C 300

Patent

active

041834143

ABSTRACT:
A pneumatic hammer, hammer drill or like percussion tool incorporating a cartridge-type oil tank detachably installed in the main body of the tool. The oil tank is made of transparent or semitransparent material and held from outside by a holding plate formed with at least one slit, permitting the user to check the tank from outside for an oil consumption. The oil tank is supported on a seat plate which is detachably mounted on the tool main body and which, when removed, enables the user to inspect or repair the interior with ease.

REFERENCES:
patent: 1355195 (1920-10-01), Van Orsdale
patent: 1615581 (1927-01-01), Horns
patent: 2259863 (1941-10-01), Smith
patent: 2637336 (1953-05-01), Emery
patent: 2717661 (1955-09-01), Mayfield
patent: 3162268 (1964-12-01), Short
patent: 3376939 (1968-04-01), Holzapfel
patent: 3847248 (1974-11-01), Avery
patent: 3994412 (1976-11-01), Difiglio
patent: 4077492 (1978-03-01), Inoue
patent: 4088246 (1978-05-01), Klingaman

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