# MACHINERY
> MSHA accident `220120610006` · 02/22/2012 · Speed Mining, LLC
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** MACHINERY
- **Accident type:** Struck by... NEC
- **Occupation:** Roof bolter, Rock bolter,  Pinner, Mobile roof support operator (MRS)
- **Activity:** Roof bolter, Inserting bolt
- **Injury source:** ROOF (ROCK) BOLTS
- **Nature of injury:** CONTUSN,BRUISE,INTAC SKIN
- **Body part:** HAND (NOT WRIST OR FINGERS)
- **Days lost:** 3
- **Mine experience:** 0.62 years
## Operator
- **Controller:** Patriot Coal Corporation
- **Operator:** Speed Mining, LLC
- **Mine:** [4605437](https://api.ai-analytics.org/mine/4605437)
## Narrative

Employee was installing 6 ft torque tension bolts in the 5 right cut. As he pushed the bolt up with the drill pot, the bolt broke causing the bolt to swing out striking him on the top of his left hand.

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*Source: [MSHA Open Government Data](https://arlweb.msha.gov/OpenGovernmentData/) · AI Analytics · CC0 1.0*