National Labor Relations Board v. Allis-Chalmers Manufacturing Co.

The question here is whether a union which threatened and imposed fines, and brought suit for their collection, against members who crossed the union’s picket line and went to work during an authorized strike against their employer, committed the unfair labor practice under §8 (b)(1)(A) of the National Labor Relations Act of engaging in conduct “to restrain or coerce” employees in the exercise of their right guaranteed by § 7 to “refrain from” concerted activities.1

*177Employees at the West Allis, and La Crosse, Wisconsin, plants of respondent Allis-Chalmers Manufacturing Company were represented…