Tool driving or impacting – Impacting devices – Hammer head moves in arcuate path or rotates
Patent
1986-02-20
1987-11-17
Kazenske, E. R.
Tool driving or impacting
Impacting devices
Hammer head moves in arcuate path or rotates
55112, 55300, B03C 376
Patent
active
047067632
ABSTRACT:
A rapping mechanism for an electrostatic precipitator comprises hammers (1) which are swingable on a shaft (2) carrying a driver pin (6). As the shaft rotates, the driver pin (6) engages a surface (7) of a pawl (4), which is pivoted on the hammer (1), thus picking up and raising the hammer until the pawl (4) is disengaged from the driver pin (6) by an adjustable release tap (9). The hammer then swings back down under gravity and raps a bar (13) connected to electrodes.
REFERENCES:
patent: 2867204 (1959-01-01), Arvay
patent: 4221573 (1980-09-01), Hankins
patent: 4519817 (1985-05-01), Gibbons
F. L. Smidth & Co. A/S
Kazenske E. R.
Phan Hien H.
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