Apparatus for establishing the junction contour for intersecting

Details Apparatus for establishing the junction contour for intersecting Apparatus for establishing the junction contour for intersecting

1981-05-19

1983-12-13

Martin, Jr., William D.

Geometrical instruments

Area integrators

Electrical

33 21C, 33174N, 33192, G01B 520

Patent

active

044198280

ABSTRACT:
A simulator in the form of a tubular pantograph mechanism is adjustable in diameter, and has circumferentially spaced elongated rods mounted on the inner wall in parallel relation with the axis. These rods define the inner diameter of the simulator and when the simultor is compressed on a lateral, define the outer diameter of the lateral. These rods are movable axially with frictional restraint. A guide includes a base to be placed on the surface of the main in alignment with the axis of the main, and a linear guide arm pivotally mounted on the base in a manner to be clamped in a selected position aligned with the projected axis of the lateral to be joined to the main. The simulator includes coacting support brackets to mount the simulator on the guide arm; and the simulator rods are then moved axially into engagement with the surface of the main. The points of engagement of the rod ends define the contour of the joint opening to be cut in the main. When the simulator is again placed over the lateral, the points at the ends of the rods define the mating contour for the end of the lateral to be joined to the main.

REFERENCES:
patent: 776713 (1904-12-01), Wurts
patent: 791235 (1905-05-01), Allen
patent: 819495 (1906-05-01), Allen
patent: 927110 (1909-07-01), Campbell
patent: 2380919 (1945-08-01), Bugenhagen
patent: 2615255 (1952-10-01), Rankin
patent: 2671273 (1954-03-01), Barnes
patent: 3082537 (1963-03-01), Solomon

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