초록 ▼

A linkage apparatus for selectively gripping and releasing the inside walls of a conduit, the apparatus comprising: a first arm; a bi-directional gripping cam rotatably attached to the arm; and an extension and locking device adapted to selectively radially extend the arm from a tool housing to an i

A linkage apparatus for selectively gripping and releasing the inside walls of a conduit, the apparatus comprising: a first arm; a bi-directional gripping cam rotatably attached to the arm; and an extension and locking device adapted to selectively radially extend the arm from a tool housing to an inside wall of a conduit and adapted to selectively lock the arm in an extended position.

대표청구항 ▼

A linkage apparatus for selectively gripping and releasing the inside walls of a conduit, the apparatus comprising: a first arm; a bi-directional gripping cam rotatably attached to the arm; and an extension and locking device adapted to selectively radially extend the arm from a tool housing to an i

A linkage apparatus for selectively gripping and releasing the inside walls of a conduit, the apparatus comprising: a first arm; a bi-directional gripping cam rotatably attached to the arm; and an extension and locking device adapted to selectively radially extend the arm from a tool housing to an inside wall of a conduit and adapted to selectively lock the arm in an extended position. razed condenser according to claim 4, wherein said deformation is rounded to define a contact surface providing said contact between said one of the collecting tubes and the tube-shaped collector. 6. A brazed condenser according to claim 4, wherein the connection openings are provided at the deformation. 7. A brazed condenser according to claim 4, wherein the deformation is a recess. 8. A brazed condenser according to claim 7, wherein the connection openings are provided at the deformation. 9. A brazed condenser according to claim 7, including an air gap along most of the length of said one of the collecting tubes between said one of the collecting tubes and the tube-shaped collector. 10. A brazed condenser according to claim 9, wherein the connection openings are provided at the deformation. 11. A brazed condenser according to claim 1, including an insulating air gap left along said one collecting tubes and the tube-shaped collector.