# MACHINERY
> MSHA accident `220141980010` · 07/09/2014 · M-Class Mining LLC
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** MACHINERY
- **Accident type:** Struck against a moving object
- **Occupation:** Roof bolter, Rock bolter,  Pinner, Mobile roof support operator (MRS)
- **Activity:** Roof bolter, NEC
- **Injury source:** UNDERGRD MINING MACHINES
- **Nature of injury:** FRACTURE,CHIP
- **Body part:** FINGER(S)/THUMB
- **Days lost:** 0
- **Mine experience:** 3 years
## Operator
- **Controller:** Coalfield Transport Inc; Foresight Energy/ Murray Energy
- **Operator:** M-Class Mining LLC
- **Mine:** [1103189](https://api.ai-analytics.org/mine/1103189)
## Narrative

He was tightening a cable bolt with a truss gun, when the truss gun slipped off the bolt and pinned his hand between the gun and the roof bolter canopy.

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