High speed pipe handling apparatus

Details High speed pipe handling apparatus High speed pipe handling apparatus

1981-09-16

1985-05-21

Spar, Robert J.

Material or article handling

Cylindrical bar handling device

Sequentially acting, diverse handling devices

92 24, 92 27, 254 29R, 294 88, 414 22, 188 67, B66F 1102

Patent

active

045183090

ABSTRACT:
High speed pipe handling apparatus is disclosed. A pipe gripping system includes fluid pressure piston-and-cylinder propulsion systems to manipulate pipe gripping slip members, and includes a mechanical latching system that locks the pistons to the cylinders in the pipe-gripping configuration by latch members. The latching system is released by application of fluid pressure.

REFERENCES:
patent: 2809721 (1957-10-01), Knights
patent: 2867338 (1959-01-01), Simmonds
patent: 3610503 (1971-10-01), Pryor
patent: 3941141 (1976-03-01), Robert
patent: 4300664 (1981-11-01), Helm et al.
patent: 4348044 (1982-09-01), Wood

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