Tool driving or impacting – Drive controlled by relative axial movement of tool – Drive motor controlled
Patent
1995-01-09
1996-11-12
Hail, III, Joseph J.
Tool driving or impacting
Drive controlled by relative axial movement of tool
Drive motor controlled
173 15, 173210, B25D 112
Patent
active
055730736
ABSTRACT:
A vibration dampened percussive tool has a handle assembly and a cover surrounding a barrel and piston assembly which are caused to oscillate relatively to the handle assembly. The barrel assembly receives a tool retainer and a trigger controls primary air supply. To reduce air consumption when the tool is not actually applied to a workpiece and thereby to reduce exposure of the operator's hand/arm to vibration, an air metering device is provided, which includes a tube slidably mounted in a bush and having a bleed hole in an end of the tube which enters the bush. In one position of the tube within the bush, apertures in the tube are sealed to allow the tool idle and in another position of the tube the apertures are exposed. The tube connects the air line with the piston assembly and moves within the bush responsive to pressure applied by the actual tool on the workpiece.
REFERENCES:
patent: 3892279 (1975-07-01), Amtsberg
patent: 4871035 (1989-10-01), Ekwall
patent: 5088566 (1992-02-01), Gustafsson et al.
patent: 5259462 (1993-11-01), Kimberlin
Dewhurst Graham
Fairhurst Paul J.
Hill David A.
Schofield John H. L.
Hail III Joseph J.
Ingersoll-Rand Company
Stelacone Jay A.
Vliet Walter C.
LandOfFree
Compressed fluid operated tool with fluid metering device does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Compressed fluid operated tool with fluid metering device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Compressed fluid operated tool with fluid metering device will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-556382