Patent ID: 11946571
Assignee: nan
Field: Mechanical elements (Mechanical engineering)
Classification: CPC F | IPC F

Claim 0:
1. A temporary pipeline protection apparatus, which apparatus comprises:
a cylindrical sleeve having a pair of halves, each of said halves having a pair of opposed edges parallel to an axis of said cylindrical sleeve;
a first edge of each of said pair of edges of said halves connected together by at least one hinge assembly configured to move among a closed operational position, an installation and removal position, and a shipping and transportation position; and
a latch configured to close said cylindrical sleeve at a second edge of each of said pair of edges when in said closed operational position;, wherein each said at least one hinge assembly includes:
a first hinge leaf attached to one of said halves and includes at least one slot therein;
a second hinge leaf attached to another of said halves;
a hinge pin rotatably connecting said first hinge leaf and said second hinge leaf configured to permit rotation of said first hinge leaf and said second hinge leaf; and
a stop bar assembly rotatably connected to said second hinge leaf, said stop bar assembly receivable in said at least one slot of said first hinge leaf.