Portable power tool

Details Portable power tool Portable power tool

1984-09-17

1987-02-17

Kazenske, E. R.

Tool driving or impacting

Passage in manipulating handle for drive motor motive fluid

173169, 173170, B23B 4504

Patent

active

046432639

ABSTRACT:
A hand held pneumatic grinding tool is provided with two angularly spaced handles (12, 13), one containing an air supply passage (16) and a throttle valve, the other an air exhaust passage (17) and a silencer (15). Both handles (12, 13) are adjustably mounted on the tool housing (10) by means of arc-shaped mountings. These comprise opposed arc-shaped V-grooves (22, 23 and 37, 38) on the housing (10) and mating V-ridges (24, 25 and 35, 36) on the handles (12, 13). Arc-shaped wedge elements (27, 43) are retained by clamping bolts (28, 44) to engage one of the V-ridges (24, 25 and 35, 36) on each handle and, thereby, locking the handles (12, 13) in desired positions relative to the housing (10).

REFERENCES:
patent: 3446294 (1969-05-01), Bailey et al.
patent: 3571874 (1971-03-01), Arx
patent: 3934657 (1976-01-01), Danielson
patent: 4036085 (1977-07-01), Sjostrand et al.

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