Remotely Releasable Coupler and Hose Retrieval Mechanism for Airbrake System
2 Assignments
0 Petitions
Accused Products
Abstract
A remotely releasable brake hose coupler for pressure fluid operated brake systems, such as on a motor truck and semi-trailer unit, and a retrieval mechanism for retrieving flexible hoses connected to the coupler. Pressure air from the truck tractor brake system is conducted through a valve to an actuator for effecting movement of a coupler member to release engagement with a corresponding coupler fitting mounted on a trailer. One or more air brake hoses connected to respective remotely releasable couplers are connected to tensioning mechanisms and to a movable boom mounted on the truck tractor for extending the hoses during a remote release operation and then retracting the hoses and couplers to a stored position when the remotely releasable couplers are disconnected from the trailer fittings.
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Citations
45 Claims
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1-33. -33. (canceled)
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34. In a motor truck tractor for transporting a trailer having a pressure fluid operated brake system, a flexible pressure fluid conduit connected to a source of pressure fluid for conducting same between said tractor and a trailer;
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a remotely releasable coupler for coupling said conduit to a fitting connected to said trailer, said coupler including a member engageable with a part of said fitting for retaining said coupler connected to said fitting, and an actuator on said coupler connected to said member and operable to move said member to a position to allow said coupler to decouple from said fitting, said actuator comprising a pressure fluid cylinder actuator responsive to pressure fluid supplied thereto to effect movement of said member to a position to release said coupler from said fitting. - View Dependent Claims (35, 36, 37, 38)
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39. In a motor truck tractor for transporting a trailer having a pressure fluid operated brake system:
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a flexible pressure fluid conduit connected to a source of pressure fluid for conducting same between said tractor and a trailer; and a remotely releasable coupler for coupling said conduit to a fitting connected to said trailer, said coupler including; a member engageable with a part of said fitting for retaining said coupler connected to said fitting; a handgrip including a conduit disposed therein for conducting pressure air between said coupler and said fitting; a pressure fluid actuator disposed in said handgrip and connected to said member and operable to move said member to a position to allow said coupler to decouple from said fitting; and a linkage interconnecting said actuator with said member for holding said member in a position in forcible engagement with said fitting and responsive to operation of said actuator to move said member to effect release of said member from said fitting. - View Dependent Claims (40, 41)
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42. In a motor truck tractor for transporting a trailer having a pressure fluid operated brake system:
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a flexible pressure fluid conduit connected to a source of pressure fluid for conducting same between said tractor and a trailer; and a remotely releasable coupler for coupling said conduit to a fitting connected to said trailer including; a member engageable with a part of said fitting for retaining said coupler connected to said fitting; an actuator on said coupler connected to said member and operable to move said member to a position to allow said coupler to decouple from said fitting; and a linkage interconnecting said actuator with said member for holding said member in a position in forcible engagement with said fitting and responsive to actuation of said actuator to move said member to effect release of said member from said fitting, said linkage including a first link connected to said member and mounted for pivotal movement on said coupler and overcenter links interconnecting said first link with said actuator.
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43. In a motor truck tractor for transporting a trailer having a pressure fluid operated brake system:
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a flexible pressure fluid conduit connected to a source of pressure fluid for conducting same between said tractor and a trailer; and a remotely releasable coupler for coupling said conduit to a fitting connected to said trailer, said coupler including; a member engageable with a part of said fitting for retaining said coupler connected to said fitting; an actuator on said coupler connected to said member and operable to move said member to a position to allow said coupler to decouple from said fitting; and a handgrip in which said actuator is disposed and formed by opposed housing members and including a conduit therein for conducting pressure air between said coupler and said fitting.
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44. In a motor truck tractor for transporting a trailer having a pressure fluid operated brake system;
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a flexible pressure fluid conduit connected to a source of pressure fluid for conducting same between said tractor and a trailer; and a remotely releasable coupler for coupling said conduit to a fitting connected to said trailer, said coupler including; a member engageable with a part of said fitting for retaining said coupler connected to said fitting, a pressure fluid actuator connected to said member and operable to move said member to a position to allow said coupler to decouple from said fitting; a linkage interconnecting said actuator with said member for holding said member in a position in forcible engagement with said fitting and responsive to operation of said actuator to move said member to effect release of said member from said fitting; said actuator is mounted for limited pivotal movement on said coupler to accommodate movement of said linkage; and said linkage includes a first link connected to said member and mounted for pivotal movement on said coupler and overcenter links interconnecting said first link with said actuator.
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45. In a motor truck tractor for transporting a trailer having a pressure fluid operated brake system;
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a flexible pressure fluid conduit connected to a source of pressure fluid for conducting same between said tractor and a trailer; and a remotely releasable coupler for coupling said conduit to a fitting connected to said trailer; cooperable members on said coupler and said fitting for retaining said coupler connected to said fitting; and a remotely controllable power actuator on said coupler operable to effect movement of one of said members relative to the other of said members to disconnect said coupler from said fitting.
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Specification