# MACHINERY
> MSHA accident `220172230008` · 08/08/2017 · Rockwell Mining LLC
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** MACHINERY
- **Accident type:** Caught in, under or between a moving and a stationary object
- **Occupation:** Roof bolter, Rock bolter,  Pinner, Mobile roof support operator (MRS)
- **Activity:** Roof bolter, Inserting bolt
- **Injury source:** ROOF (ROCK) BOLTS
- **Nature of injury:** CUT,LACER,PUNCT-OPN WOUND
- **Body part:** FINGER(S)/THUMB
- **Days lost:** 0
- **Mine experience:** 0.77 years
## Operator
- **Controller:** Blackhawk Mining LLC
- **Operator:** Rockwell Mining LLC
- **Mine:** [4609152](https://api.ai-analytics.org/mine/4609152)
## Narrative

Employee stated EE was installing roof support when the bolt would not go in the top. Employee stated EE placed the bolt onto the side of the pot to assist the bolt into the hole. The bolt jammed and slipped off the pot, pinching EE's right middle finger, resulting in a laceration that required stitches. No lost work days.

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