Columbus Municipal Separate School District v. United States

no jury trial in action by employee-beneficiaries to compel union to collect royalties for pension fund | no jury trial in action by employee-beneficiaries to compel union to collect royalties for pension fund | “the remedies of trust beneficiaries, against trustees or third parties, are equitable rather than legal.” | suit by a trustee of pension fund established by collective bargaining agreement for the benefit of employees | where "trustee [of a union pension fund] may sue” to collect and prevent delinquent obligations to the funds and "wrongfully fails to do so, the beneficiary may sue the trustee as well as the party or parties the trustee failed to sue” | beneficiaries have implied cause of action for damages