Fluid operated contractile drive

Details Fluid operated contractile drive Fluid operated contractile drive

2007-05-29

2007-05-29

Dunwoody, Aaron (Department: 3679)

Pipe joints or couplings

Nonmetal to metal

Internal member

C285S101000, C285S249000

Reexamination Certificate

active

10498405

ABSTRACT:
A fluid operated contractile drive which has a contractile hose (4) extending between two head pieces (2and3), and attached to at least one head piece (2and3) by having its respective end section (10) clamped in an annular clamping gap (26) defined between clamping surfaces (24and25), extending in an at least partially inclined manner in relation to the longitudinal axis (9) of the contractile hose (4) of a first clamping unit (22) having a force output means (17) serving for external force output and a second clamping unit (23) able to be shifted axially in relation to the first clamping unit. In addition to the contractile hose (4) between the two clamping unit (22and23) there are loading means (45), effective between same, such loading means (45) acting on the clamping unit (22and23) to produce a reduction of the width of the clamping gap (26).

REFERENCES:
patent: 2470538 (1949-05-01), Wolfram et al.
patent: 5735553 (1998-04-01), Niemiec
patent: 100 27 731 (2001-11-01), None
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patent: 2 248 664 (1992-04-01), None
patent: 02 256993 (1990-10-01), None
patent: 03 066995 (1991-03-01), None

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