Fluid pressure connector and break-away unit

Claim 2

A fluid coupling assembly for connecting a source of fluid pressure to a fluid operator comprising in combination support means, a main body portion mounted on said support means for limited endwise movement relative thereto, said main body portion having fluid carrying hoses connectable to one side thereof, spring loaded connector ports upon the other side thereof, connected to siad fluid carrying hoses through said main body portion for carrying fluid from said hoses to said spring loaded connector ports, spring means reacting between said main body portion and said support means normally biassing said main body portion towards one end of said support means, a connector portion, spring loaded connector ports upon one side of said connector portion, fluid carrying hoses connectable to the other side of said connector portion, said ports being connected to said last mentioned hoses through said connector portion, and means to detachably connect said connector portion with said main body portion, whereby said connector ports of said main body portion engage with said connector ports of said connector portion and provide fluid connection between said main body portion and said connector portion, said means including further means pivotally connected to said main body portion and selectively engaging said connector portion, said first mentioned means including a pair of side plates pivoted one upon each side of said main body portion, said further means including a recess formed on said side plates and projections provided on said connector portion engageable with said recess, said projections including cylindrical bosses journalled for rotation one upon each side of said connector portion.

Claim 3

The assembly according to claim 1 which includes means co-operating between said support means and said side plates for disengaging said side plates from said connector portion when said main body portion is moved against the pressure of said spring means.

Claim 4

The assembly according to claim 2 in which said means co-operating between said support means and said side plates include projections extending from the sides of said support means, and ramp means formed on said side plates engaging said projections for pivotal action of said side plates when said main body portion moves longitudinally relative to said support means.

Claim 5

A fluid coupling assembly for detachably connecting a first coupler portion to a second coupler portion; said assembly including support means, said first coupler portion being mounted on said support means for limited endwise movement thereon, spring means reacting between said support means and said first coupler portion normally biassing said first coupler portion in a direction away from said second coupler portion, means on said first coupler portion for detachably locking said second coupler portion in engagement with said first coupler portion, said means including means for unlocking said second coupler portion from said first coupler portion when pull is exerted between said portions greater than the strength of said spring means, said means for detachably locking said second coupler portion into engagement with said first coupler portion including a pair of side plates pivotally mounted one upon each side of said first coupler portion, a projection extending upon each side of said second coupler portion and a recess in each of said side plates engageable by said projections when said second coupler portion is connected to said first coupler portion, and means co-operating between said support means and said side plates for pivoting said side plates out of engagement with said projections when said first coupler portion is moved in the opposite direction of said second coupler portion upon said support means against pressure of said spring means, each projection including a cylindrical boss journalled for rotation to said second coupler portion.

Claim 6

A fluid coupling assembly for detachably connecting a first coupler portion to a second coupler portion; said assembly including support means, said first coupler portion being mounted on said support means for limited endwise movement thereon, spring means reacting between said support means and said first coupler portion normally biassing said first coupler portion in a direction away from said second coupler portion, means on said first coupler portion for detachably locking said second coupler portion in engagement with said first coupler portion, said means including means for unlocking said second coupler portion from said first coupler portion when pull is exerted between said portions greater than the strength of said spring means, said means for detachably locking said second coupler portion into engagement with said first coupler portion including a pair of side plates pivotally mounted one upon each side of said first coupler portion, a projection extending upon each side of said second coupler portion and a recess in each of said side plates engageable by said projections when said second coupler portion is connected to said first coupler portion, and means co-operating between said support means and said side plates for pivoting said side plates out of engagement with said projections when said first coupler portion is moved in the opposite direction of said second coupler portion upon said support means against pressure of said spring means, each projection including a cylindrical boss journalled for rotation to said second coupler portion.

Claim 7

The assembly according to claim 4 which includes means to mount said first coupler portion upon said support means, said last means including an elongated slot formed through said support means and bolt means engaging through said slot and into said first coupler portion.

Claim 8

The assembly according to claim 4 in which said last mentioned means includes a ramp surface formed on each of said side plates and a ramp engaging projection extending from each side of said support means.

Claim 9

In a fluid coupling assembly for detachably connecting a first coupler portion to a second coupler portion and which includes a source of fluid pressure, a reservoir, an operating valve, and hydraulic lock means between said operaTing valve and said first coupler portion; the improvement consisting of support means, said first coupler portion being mounted upon said support means for limited endwise movement thereon, spring means reacting between said support means and said first coupler portion normally biassing said first coupler portion in a direction away from said second coupler portion, means on said first coupler portion for detachably locking said second coupler portion into engagement with said first coupler portion, said means including means for unlocking said second coupler portion from said first coupler portion when a pull is exerted between said portions greater than the strength of said spring means, and means for releasing fluid pressure within said first coupler portion to facilitate connection of said second coupler portion to said first coupler portion, said coupling assembly including a pair of fluid pressure lines connected to said first coupler portion, said last mentioned means including a valve assembly operatively connected between said fluid pressure lines and means to operate said valve means to connect said lines to said reservoir, and means to mount said first coupler portion upon said support means, said last mentioned means including an elongated slot formed through said support means and bolt means engaging through said slot and into said first coupler portion, said means for detachably locking said second coupler portion into engagement with said first coupler portion including a piar of side plates pivotally mounted one upon each side of said first coupler portion, a projection extending upon each side of said second coupler portion and a recess in each of said side plates engageable by said projections when said second coupler portion is connected to said first coupler portion, and means co-operating between said support means and said side plates for pivoting said side plates out of engagement with said projections when said first coupler portion is moved in the opposite direction of said second coupler portion upon said support means against pressure of said spring means, each projection including a cylindrical boss journalled for rotation to said second coupler portion.

Claim 10

In a fluid coupling assembly for detachably connecting a first coupler portion to a second coupler portion and which includes a source of fluid pressure, a reservoir, an operating valve, and hydraulic lock means between said operaTing valve and said first coupler portion; the improvement consisting of support means, said first coupler portion being mounted upon said support means for limited endwise movement thereon, spring means reacting between said support means and said first coupler portion normally biassing said first coupler portion in a direction away from said second coupler portion, means on said first coupler portion for detachably locking said second coupler portion into engagement with said first coupler portion, said means including means for unlocking said second coupler portion from said first coupler portion when a pull is exerted between said portions greater than the strength of said spring means, and means for releasing fluid pressure within said first coupler portion to facilitate connection of said second coupler portion to said first coupler portion, said coupling assembly including a pair of fluid pressure lines connected to said first coupler portion, said last mentioned means including a valve assembly operatively connected between said fluid pressure lines and means to operate said valve means to connect said lines to said reservoir, and means to mount said first coupler portion upon said support means, said last mentioned means including an elongated slot formed through said support means and bolt means engaging through said slot and into said first coupler portion, said means for detachably locking said second coupler portion into engagement with said first coupler portion including a piar of side plates pivotally mounted one upon each side of said first coupler portion, a projection extending upon each side of said second coupler portion and a recess in each of said side plates engageable by said projections when said second coupler portion is connected to said first coupler portion, and means co-operating between said support means and said side plates for pivoting said side plates out of engagement with said projections when said first coupler portion is moved in the opposite direction of said second coupler portion upon said support means against pressure of said spring means, each projection including a cylindrical boss journalled for rotation to said second coupler portion.

Claim 11

In a fluid coupling assembly for detachably connecting a first coupler portion to a second coupler portion and which includes a source of fluid pressure, a reservoir, an operating valve, and hydraulic lock means between said operaTing valve and said first coupler portion; the improvement consisting of support means, said first coupler portion being mounted upon said support means for limited endwise movement thereon, spring means reacting between said support means and said first coupler portion normally biassing said first coupler portion in a direction away from said second coupler portion, means on said first coupler portion for detachably locking said second coupler portion into engagement with said first coupler portion, said means including means for unlocking said second coupler portion from said first coupler portion when a pull is exerted between said portions greater than the strength of said spring means, and means for releasing fluid pressure within said first coupler portion to facilitate connection of said second coupler portion to said first coupler portion, said coupling assembly including a pair of fluid pressure lines connected to said first coupler portion, said last mentioned means including a valve assembly operatively connected between said fluid pressure lines and means to operate said valve means to connect said lines to said reservoir, and means to mount said first coupler portion upon said support means, said last mentioned means including an elongated slot formed through said support means and bolt means engaging through said slot and into said first coupler portion, said means for detachably locking said second coupler portion into engagement with said first coupler portion including a piar of side plates pivotally mounted one upon each side of said first coupler portion, a projection extending upon each side of said second coupler portion and a recess in each of said side plates engageable by said projections when said second coupler portion is connected to said first coupler portion, and means cooperating between said support means and said side plates for pivoting said side plates out of engagement with said projections when said first coupler portion is moved in the opposite direction of said second coupler portion upon said support means against pressure of said spring means, each projection including a cylindrical boss journalled for rotation to said second coupler portion.

Claim 12

In a fluid coupling assembly for detachably connecting a first coupler portion to a second coupler portion and which includes a source of fluid pressure, a reservoir, an operating valve, and hydraulic lock means between said operaTing valve and said first coupler portion; the improvement consisting of support means, said first coupler portion being mounted upon said support means for limited endwise movement thereon, spring means reacting between said support means and said first coupler portion normally biassing said first coupler portion in a direction away from said second coupler portion, means on said first coupler portion for detachably locking said second coupler portion into engagement with said first coupler portion, said means including means for unlocking said second coupler portion from said first coupler portion when a pull is exerted between said portions greater than the strength of said spring means, and means for releasing fluid pressure within said first coupler portion to facilitate connection of said second coupler portion to said first coupler portion, said coupling assembly including a pair of fluid pressure lines connected to said first coupler portion, said last mentioned means including a valve assembly operatively connected between said fluid pressure lines and means to operate said valve means to connect said lines to said reservoir, and means to mount said first coupler portion upon said support means, said last mentioned means including an elongated slot formed through said support means and bolt means engaging through said slot and into said first coupler portion, said means for detachably locking said second coupler portion into engagement with said first coupler portion including a piar of side plates pivotally mounted one upon each side of said first coupler portion, a projection extending upon each side of said second coupler portion and a recess in each of said side plates engageable by said projections when said second coupler portion is connected to said first coupler portion, and means cooperating between said support means and said side plates for pivoting said side plates out of engagement with said projections when said first coupler portion is moved in the opposite direction of said second coupler portion upon said support means against pressure of said spring means, each projection including a cylindrical boss journalled for rotation to said second coupler portion.