Workers limbs may get caught in unguarded shafts,
shaft ends, spiked live rolls, or nip points.
- Construction, operation, and maintenance of conveyors must
be in accordance with American National Standard B20.1-1957, which
is incorporated by reference as specified in Sec. 1910.6. 1910.265(c)(18)(i)
- Spiked live rolls must be guarded. 1910.265(c)(18)(ii)
![Roller conveyor with unguarded chain and sprocket drives. Roller conveyor with unguarded chain and sprocket drives.](https://webarchive.library.unt.edu/eot2008/20090512194218im_/http://www.osha.gov/SLTC/etools/sawmills/images/convey_03.jpg)
Roller conveyor with unguarded
chain and sprocket drives.
![Guarded nip points on chain conveyor. Guarded nip points on chain conveyor.](https://webarchive.library.unt.edu/eot2008/20090512194218im_/http://www.osha.gov/SLTC/etools/sawmills/images/convey_11.jpg)
Guarded nip points on chain conveyor.
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![Unguarded nip point between belt and pulley on belt conveyor. Unguarded nip point between belt and pulley on belt conveyor.](https://webarchive.library.unt.edu/eot2008/20090512194218im_/http://www.osha.gov/SLTC/etools/sawmills/images/convey_05.jpg)
Unguarded nip point between belt
and pulley on belt
conveyor.
![Chain conveyor with unguarded shaft, shaft end, and nip point between conveyor chain and sprocket. Chain conveyor with unguarded shaft, shaft end, and nip point between conveyor chain and sprocket.](https://webarchive.library.unt.edu/eot2008/20090512194218im_/http://www.osha.gov/SLTC/etools/sawmills/images/convey_10.jpg)
Chain conveyor; unguarded shaft, shaft end, and nip
point between conveyor chain and sprocket.
![Guarded drive mechanism on belt conveyor. Guarded drive mechanism on belt conveyor.](https://webarchive.library.unt.edu/eot2008/20090512194218im_/http://www.osha.gov/SLTC/etools/sawmills/images/convey_12.jpg)
Guarded drive mechanism on belt conveyor.
![Worker sitting on belt conveyor. This is not a safe practice. Worker sitting on belt conveyor. This is not a safe practice.](https://webarchive.library.unt.edu/eot2008/20090512194218im_/http://www.osha.gov/SLTC/etools/sawmills/images/convey_06.jpg)
Worker sitting on belt conveyor.
This is not a safe practice.
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