# MACHINERY
> MSHA accident `220122720042` · 09/25/2012 · Conco Quarries 
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** MACHINERY
- **Accident type:** Struck by... NEC
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Hand tools (powered)
- **Injury source:** HAND TOOLS,POWERED,NEC
- **Nature of injury:** CONTUSN,BRUISE,INTAC SKIN
- **Body part:** FINGER(S)/THUMB
- **Days lost:** 0
- **Mine experience:** 6.42 years
## Operator
- **Controller:** Ash Grove Cement Company
- **Operator:** Conco Quarries 
- **Mine:** [2300035](https://api.ai-analytics.org/mine/2300035)
## Narrative

Working with an impact socket, the ""knuckle"" came loose and struck his left pinky finger several times at the joint just below the fingernail.

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