Inspection Detail

Inspection: 307334508 - Thor Tool Corp.

Inspection Information - Office: Oakland District Office

Inspection Nr: 307334508

Report ID: 0950614

Date Opened: 08/04/2004

Site Address:
Thor Tool Corp.
865 Estabrook Ave. (At Alvarado)
San Leandro, CA 94577

Mailing Address:
, , 00000

Union Status: NonUnion

SIC:3599

NAICS: 332710/Machine Shops

Inspection Type: Accident

Scope: Partial

Advanced Notice: N

Ownership: Private

Safety/Health: Safety

Close Conference: 02/03/2005

Planning Guide: Safety-Manufacturing

Emphasis:

Case Closed: 02/03/2005

Related Activity
Type	Activity Nr	Safety	Health
Accident	361626245

Investigation Summary

Investigation Nr: 201505260

Event: 08/03/2004

Flying Object Strikes And Injures Employee

At approximately 7:00 a.m. on August 3, 2004, Employee #1 was operating a Warner & Swasey Universal Turning Machine, Model M-5940, and Serial Number 3120476 and was tooling a stripper plates. Employee #1 had faced one side of the first unit and turned the unit around and set it on the chuck securing it with the chuck jaws. Employee #1 closed the doors and initiated the tooling run at the computer control. A mechanical failure resulted in a tool holder breaking free from the turret and the three chuck jaws breaking free from the rotating chuck which was rotating at approximate 2,500 revolutions per minute. The displaced chuck jaws struck the Turning Machine guard doors displacing them outward from the guide tracks. One of the chuck jaws ricocheted to the left striking Employee #1, who was standing in front of the control panel. Employee #1 suffered fractures of the face and neurological injuries and was hospitalized a total of 28 days.

Keywords: FRACTURE, LATHE, MACHINE OPERATOR, EQUIPMENT FAILURE, STRUCK BY, FLYING OBJECT, FACE

Investigated Inspection
#	Inspection	Age	Sex	Degree of Injury	Nature of Injury	Occupation
1	307334508			Hospitalized injury	Fracture	Machinists

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