Teeter beam assembly

Details Teeter beam assembly Teeter beam assembly

2007-12-14

2010-11-23

Adams, Gregory W (Department: 3652)

Material or article handling

Cylindrical bar handling device

Including ramp and retractable stop or ejector

C414S022620, C414S746200, C194S293000

Reexamination Certificate

active

07837426

ABSTRACT:
A teeter beam assembly is provided for attachment to a pipe launcher that can be tilted towards or away from the pipe launcher to move joints of drilling pipe on to or off of the pipe launcher by rolling pipes with the assistance of gravity. The teeter beams assembly can consist of a frame, a pair of vertical guide assemblies on each of the outer and inner ends of the frame, a longitudinal beam glidably coupled to the guide assemblies and a pair of rams coupling the beam to the frame for raising and lowering either end of the beam with respect to the frame.

REFERENCES:
patent: 3666081 (1972-05-01), Axenfeld
patent: 3858731 (1975-01-01), Briggs
patent: 4051956 (1977-10-01), Teague
patent: 4067453 (1978-01-01), Moller
patent: 6311788 (2001-11-01), Weixler
patent: 2006/0045655 (2006-03-01), Wells

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