Braking device for a linear drive
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United States of America Patent
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-
Jan 8, 2002
Grant Date -
N/A
app pub date -
Jan 17, 2000
filing date -
Jul 18, 1997
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A brake device for a linear guide comprising a carrier body (1) which is movable on a guide rail (2) and incorporates brake shoes (10) which act on the guide rail (2), and a brake piston (8) which is arranged for displacement by a pressure medium in a brake cylinder (9) of the carrier body (1), the brake device further comprising an energy reservoir in form of a compression spring (11) which acts on the pressure medium that is limited by the brake piston (8), a piston/cylinder assembly is arranged between the compression spring (11) and the brake piston (8), which assembly comprises a unitary control element comprising a displaceable, larger diameter control piston (5) arranged in a control pressure chamber (4) to act on the compression spring (11) and a displaceable, smaller diameter high pressure piston (6) arranged in a high pressure chamber (3) to act on the brake piston (8), a pressure connection (13) for supply of pressure medium into the control pressure chamber (4) being disposed on the carrier body (1).
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