Snowplow and implement attachment means for a vehicle

A hinged snowplow for vehicles comprising a support frame for attachment to a vehicle, said support frame having a free end;

• a cowling pivotally secured to said free end so as to pivot in a generally vertical plane about said free end;
• first stop means connected to said cowling and engageable with said support frame to limit the pivotal movement of said cowling about said frame to a first position;
• second stop means connected with said cowling and engageable with said support frame to limit the pivotal movement of said cowling about said frame to a second position;
• a pair of plow blades pivotally secured to and extending from said cowling;
• trip bias means between said frame and cowling to bias said cowling to said first position where said blades are positioned for plowing, said cowling being rotatable against said bias means toward said second position when said blades hit an obstacle;
• said frame being T-shaped with the leg of said T comprising said free end and the arms of said T being mounted to the vehicle;
• said free end being received within said cowling, and said first stop means including stop plate means horizontally disposed in said cowling when said cowling is in said first position so as to abut said T frame leg and prevent rotation of said cowling and blades beyond said first position away from said second position.

A hinged snowplow for vehicles comprising a support frame for attachment to a vehicle, said support frame having a free end;

• a cowling pivotally secured to said free end so as to pivot in a generally vertical plane about said free end;
• first stop means connected to said cowling and engageable with said support frame to limit the pivotal movement of said cowling about said frame to a first position;
• second stop means connected with said cowling and engageable with said support frame to limit the pivotal movement of said cowling about said frame to a second position;
• a pair of plow blades pivotally secured to and extending from said cowling;
• trip bias means between said frame and cowling to bias said cowling to said first position where said blades are positioned for plowing, said cowling being rotatable against said bias means toward said second position when said blades hit an obstacle;
• said attachment means for attaching said snowplow to a vehicle including first hitch means for mounting on the vehicle, and second hitch means mounted on said support frame for connection to said first hitch means;
• at least one of said first and second hitch means including projecting means for mounting said snowplow on the vehicle, the other of said first and second hitch means including slot means forming a slot for receiving said projecting means when said two hitch means are hitched together;
• one of said slot means and projecting means including movable pin means for locking said projecting means in said slot means to hold said two hitch means together;
• said projecting means including at least one pair of spaced members forming a second slot;
• said slot means having a rod extending thereacross for receipt in said second slot between said spaced members of said projecting means.

A hinged snowplow for vehicles comprising a support frame for attachment to a vehicle, said support frame having a free end;

• a cowling pivotally secured to said free end so as to pivot in a generally vertical plane about said free end;
• first stop means connected to said cowling and engageable with said support frame to limit the pivotal movement of said cowling about said frame to a first position;
• second stop means connected with said cowling and engageable with said support frame to limit the pivotal movement of said cowling about said frame to a second position;
• a pair of plow blades pivotally secured to and extending from said cowling;
• trip bias means between said frame and cowling to bias said cowling to said first position where said blades are positioned for plowing, said cowling being rotatable against said bias means toward said second position when said blades hit an obstacle;
• attachment means for attaching said snowplow to a vehicle including first hitch means for mounting on the vehicle, and second hitch means mounted on said support frame for connection to said first hitch means;
• at least one of said first and second hitch means including projecting means for mounting said snowplow on the vehicle, the other of said first and second hitch means including slot means forming a slot for receiving said projecting means when said two hitch means are hitched together;
• one of said slot means and projecting means including movable pin means for locking said projecting means in said slot means to hold said two hitch means together;
• remote actuation means for moving said movable pin means;
• said remote actuation means including a shielded cable;
• said shielded cable including a control lever adapted for mounting in the cab of the vehicle for operation by the vehicle driver.

A hinged snowplow for vehicles comprising a support frame for attachment to a vehicle, said support frame having a free end;

• a cowling pivotally secured to said free end so as to pivot in a generally vertical plane about said free end;
• first stop means connected to said cowling and engageable with said support frame to limit the pivotal movement of said cowling about said frame to a first position;
• second stop means connected with said cowling and engageable with said support frame to limit the pivotal movement of said cowling about said frame to a second position;
• a pair of plow blades pivotally secured to and extending from said cowling;
• trip bias means between said frame and cowling to bias said cowling to said first position where said blades are positioned for plowing, said cowling being rotatable against said bias means toward said second position when said blades hit an obstacle;
• attachment means for attaching said snowplow to a vehicle including first hitch means for mounting on the vehicle, and second hitch means mounted on said support frame for connection to said first hitch means;
• at least one of said first and second hitch means including projecting means for mounting said snowplow on the vehicle, the other of said first and second hitch means including slot means forming a slot for receiving said projecting means when said two hitch means are hitched together;
• one of said slot means and projecting means including movable pin means for locking said projecting means in said slot means to hold said two hitch means together;
• said slot means including a rod extending thereacross for receipt in said projecting means, said movable pin means engaging said rod to lock said projecting means in said slot means;
• said rod forming a pivot axis by which the entire snowplow and support frame may be pivoted with respect to the vehicle.

A hinged snowplow for vehicles comprising a support frame for attachment to a vehicle, said support frame having a free end;

• a cowling pivotally secured to said free end so as to pivot in a generally vertical plane about said free end;
• first stop means connected to said cowling and engageable with said support frame to limit the pivotal movement of said cowling about said frame to a first position;
• second stop means connected with said cowling and engageable with said support frame to limit the pivotal movement of said cowling about said frame to a second position;
• a pair of plow blades pivotally secured to and extending from said cowling;
• trip bias means between said frame and cowling to bias said cowling to said first position where said blades are positioned for plowing, said cowling being rotatable against said bias means toward said second position when said blades hit an obstacle;
• attachment means for attaching said snowplow to a vehicle including first hitch means for mounting on the vehicle, and second hitch means mounted on said support frame for connection to said first hitch means;
• at least one of said first and second hitch means including projecting means for mounting said snowplow on the vehicle, the other of said first and second hitch means including slot means forming a slot for receiving said projecting means when said two hitch means are hitched together;
• one of said slot means and projecting means including movable pin means for locking said projecting means in said slot means to hold said two hitch means together;
• each of said projecting means and slot means including two slots, each of the two slots on said projecting means being receivable within a slot of said slot means, one of said projecting means and slot means having a rod extending across both of its slots, said movable pin means being on the other of said projecting means and slot means and including two movable pins, each of which is movable across one of said slots on said slot means, and means for moving said movable pins in tandem such that said movable pins will simultaneously release said rod.

A hinged snowplow for vehicles, comprising:

• a support frame for attachment to a vehicle, said support frame having a free end;
• a stamping having angled wall portions forming an elongated apex, said angled wall portions extending away from said apex and receiving said free end of said frame therebetween;
• pivot means extending between portions of said angled wall portions and said frame end for pivotally securing said stamping to said free end of said frame such that said stamping is pivotable in a generally vertical plane about said free frame end;
• hinge means mounted along said apex;
• a pair of blade sections attached to said hinge means;
• biasing means for biasing said stamping and blade sections to a first pivoted position for plowing, said bias means being yieldable when overcome by the force of the pivotal movement of said blade sections and stamping toward a second position about said free end.

An improved snowplow, comprising:

• a snowplow blade;
• a frame having a leg member with a free end and an arm member at the end of said leg member which is opposite to said free end;
• a cowling including two apex plate means for supporting said snowplow blade thereon, said apex plate means forming an elongated vertical apex and having portions extending away from said apex and receiving said free end of said frame therebetween;
• pivot means extending between said apex plate means and said frame free end for pivotally securing said cowling to said free end of said frame such that said cowling is pivotable in a generally vertical plane about said free end of said frame;
• said cowling further including hinge means secured to and extending along said apex, said blade being mounted on said cowling by said hinge means;
• biasing means connected to and between said arm member and said cowling for biasing said cowling and blade to a first plowing position;
• and
• hitch means associated with said arm member for mounting said snowplow on a vehicle, whereby when said blade strikes a fixed object while being pushed by a vehicle, said blade will pivot against the bias of said biasing means from said first position toward a second position to pass over the object.

An improved snowplow, comprising:

• a snowplow blade;
• a T-shaped frame having a leg member with a free end and an arm member perpendicular to said leg member, said blade being pivotally mounted on said free end of said leg member;
• biasing means connected to and between said arm member and said blade for biasing said blade to a first plowing position;
• and
• hitch means associated with said arm member for mounting said snowplow on a vehicle, whereby when said blade strikes a fixed object while being pushed by a vehicle, said blade will pivot against the bias of said biasing means from said first position toward a second position to pass over the object;
• said hitch means including a slotted means extending from said arm member with a bar across said slotted means to receive an attachment member on said vehicle in said slotted means behind said bar.