Title:
HYDRAULIC WRENCH FOR CONTROLLED TIGHTENING WITH MANUAL AND AUTONOMOUS ACTUATION
Document Type and Number:
WIPO Patent Application WO/2011/102706
Kind Code:
A3
Abstract:
The invention relates to a hydraulic wrench with manual actuation for tightening and loosening with torque regulation, that does not require an external element for the operation thereof, whether hydraulic pumps with their respective supply hoses, control manometers, or hydraulic power stations. The torque is selected/regulated by means of a calibrated circular ruler mechanism.
Inventors:
CAMI RIESTRA ANTONIO (ES)
Application Number:
PCT/MX2011/000028
Publication Date:
December 08, 2011
Filing Date:
February 21, 2011
Export Citation:
Assignee:
OYERVIDES OCHOA LUIS GERARDO (MX)
CAMI RIESTRA ANTONIO (ES)
CAMI RIESTRA ANTONIO (ES)
International Classes:
B25B21/00; B25B23/142; B25F5/00; F04B9/14; F15B7/04; F15B15/18; F15B15/20
Foreign References:
| DE2850837A1 | 1980-06-04 | |||
| EP0185436A2 | 1986-06-25 | |||
| GB1393618A | 1975-05-07 | |||
| US6282893B1 | 2001-09-04 | |||
| FR2582561A1 | 1986-12-05 | |||
| US3357179A | 1967-12-12 |
Other References:
"INTEGRAL LINEAR HYDRAULIC ACTUATOR PROVIDES MORE THRUST FROM A SMALLER UNIT", DESIGN ENGINEERING, MORGAN-GRAMPIAN LTD. LONDON, GB, 1 December 1990 (1990-12-01), pages 21, XP000223276, ISSN: 0308-8448
Attorney, Agent or Firm:
RAMOS DE MIGUEL, César (S.C.Pedro Luis Ogazon No. 17,Col. San Angel,C.P, Mexico D.F., MX)
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