Safety latch for a tire carrier and improvements therefor

Claim 2

A winch assembly comprising: a winch for letting out and taking up a flexible member which moves a load from a stored position to an accessible position; a solitary mounting bracket having a top and a bottom to be fastened directly to an undercarriage of a vehicle; a latch tube affixed to said mounting bracket and extending away from the bottom of said mounting bracket; said winch being affixed to said mounting bracket proximate the latch tube; a biased latch mounted on the latch tube and being moveable away from and toward said latch tube, said biased latch having a first detent disposed on the biased latch adjacent said latch tube; the winch assembly having a carrier for carrying the load, said carrier being engaged with the flexible member, the carrier having a second detent which is positioned in a safety position with respect to the first detent of said latch when the load is at the stored position; wherein when said load is moved to the stored position the first detent is moved into engagement with the second detent of the carrier to prevent loss of the load at the safety position, thus ensuring that should the flexible member break that the latch will retain the load proximate the stored position.

Claim 3

A winch assembly comprising: a winch; a carrier for a spare tire, said carrier having a latching detent; a single mounting bracket for mounting the winch assembly directly to an undercarriage of a vehicle, the mounting bracket having a bottom and sides; the winch when operated letting out and taking up a length of a flexible member, said flexible member being affixed at one end to the winch, and being affixed at the other end to the carrier; the letting out and taking up of the member moving the spare tire, installed on the carrier, from a stored position, under the vehicle, to an accessible position below the stored position; the mounting bracket having formed therein a winch mounting first area, and a tire carrier and cooperative flexible member outlet second area spaced from the winch mounting first area, and having affixed to proximate the second area of the mounting bracket a latch tube extending away from the bottom of the mounting bracket, said latch tube guiding the carrier for the spare tire and the flexible member to and from the stored position; a biased latch said latch tube, biased by resilient biasing means to a latched position and moveable away from and toward said latch tube and positioned below the latching detent of said carrier when the tire is in the stored position; the mounting bracket for the winch having reinforcing at least proximate said sides and second area; wherein when the tire, having side walls, is in the stored position the tire abuts the frame of the vehicle proximate the side walls of the tire placing a compressive force on the side walls of the tire through the tire carrier which force is generated through tensioning of said flexible member by operation of the winch, whereby any significant external displacing force placed on the tire tending to separate the tire from the winch assembly will be resisted by the mounting bracket, the tire carrier, the flexible member, the latch and the latch tube resolving the forces to the frame of the vehicle and deforming in part the latch tube and latch should the flexible member break.

Claim 4

A winch assembly comprising: a winch; a carrier for a spare tire, said carrier having a latching detent; a single mounting bracket for mounting the winch assembly directly to an undercarriage of a vehicle, the mounting bracket having a bottom and sides; the winch when operated letting out and taking up a length of a flexible member, said flexible member being affixed at one end to the winch, and being affixed at the other end to the carrier; the letting out and taking up of the member moving the spare tire, installed on the carrier, from a stored position, under the vehicle, to an accessible position below the stored position; the mounting bracket having formed therein a winch mounting first area, and a tire carrier and cooperative flexible member outlet second area spaced from the winch mounting first area, and having affixed to proximate the second area of the mounting bracket a latch tube extending away from the bottom of the mounting bracket, said latch tube guiding the carrier for the spare tire and the flexible member to and from the stored position; a biased latch said latch tube, biased by resilient biasing means to a latched position and moveable away from and toward said latch tube and positioned below the latching detent of said carrier when the tire is in the stored position; the mounting bracket for the winch having reinforcing at least proximate said sides and second area; wherein when the tire, having side walls, is in the stored position the tire abuts the frame of the vehicle proximate the side walls of the tire placing a compressive force on the side walls of the tire through the tire carrier which force is generated through tensioning of said flexible member by operation of the winch, whereby any significant external displacing force placed on the tire tending to separate the tire from the winch assembly will be resisted by the mounting bracket, the tire carrier, the flexible member, the latch and the latch tube resolving the forces to the frame of the vehicle and deforming in part the latch tube and latch should the flexible member break.

Claim 5

A winch assembly carrying a winch including a winch housing having a mouth from which a resilient member extends and is contained, said assembly being affixed to a vehicle near a stored position for a load by winch assembly mounting means; the winch comprising: a winch reel having a plurality of cooperating reel plates which are joined together, the winch reel having a bottom upon which the resilient member accumulates; the winch reel when operated letting out and taking up a length of the resilient member mounted at one end to the winch reel proximate the bottom and substantially accumulating in a coil around the bottom of the winch reel between the reel plates; the resilient member being affixed proximate the other end to a carrier for the load; the letting out and taking up of the resilient member moving the load from the stored position to an accessible position remote from the stored position; the end of the resilient member mounted on the reel being pivotably retained within openings provided in each of the cooperating reel plates adjacent the bottom of the winch reel by an arcuate pivotable fitting mounted on the end of the resilient member mounted on the reel, said fitting having pins on an end of the fitting which extend between the reel plates for pivoting frictional engagement within the openings in the reel plates; the arcuate pivotable fitting being moveable from a first position wherein the arcuate pivotable fitting is adjacent the bottom of the winch reel and forms a part thereof thereby allowing the flexible member to accumulate in coils around the bottom of the winch reel including the arcuate pivotable fitting, wherein during payout of the resilient member continued rotation of the reel after the payout of the final coil causes the arcuate pivotable fitting to pivot to an anti-rotate position proximate the mouth of the housing, and in combination with the resilient member, prevent further rotation of the reel in the direction tending to pay out the resilient member; wherein the arcuate pivotable fitting is flattened adjacent an end of the fitting adjacent the resilient member and the portion of the resilient member adjacent the fitting is also flattened; wherein at the anti-rotate position the flattened portion of the member engages material disposed proximate the mouth of the housing.

Claim 6

A winch assembly carrying a winch including a winch housing having a mouth from which a resilient member extends and is contained, said assembly being affixed to a vehicle near a stored position for a load by winch assembly mounting means; the winch comprising: a winch reel having a plurality of cooperating reel plates which are joined together, the winch reel having a bottom upon which the resilient member accumulates; the winch reel when operated letting out and taking up a length of the resilient member mounted at one end to the winch reel proximate the bottom and substantially accumulating in a coil around the bottom of the winch reel between the reel plates; the resilient member being affixed proximate the other end to a carrier for the load; the letting out and taking up of the resilient member moving the load from the stored position to an accessible position remote from the stored position; the end of the resilient member mounted on the reel being pivotably retained within openings provided in each of the cooperating reel plates adjacent the bottom of the winch reel by an arcuate pivotable fitting mounted on the end of the resilient member mounted on the reel, said fitting having pins on an end of the fitting which extend between the reel plates for pivoting frictional engagement within the openings in the reel plates; the arcuate pivotable fitting being moveable from a first position wherein the arcuate pivotable fitting is adjacent the bottom of the winch reel and forms a part thereof thereby allowing the flexible member to accumulate in coils around the bottom of the winch reel including the arcuate pivotable fitting, wherein during payout of the resilient member continued rotation of the reel after the payout of the final coil causes the arcuate pivotable fitting to pivot to an anti-rotate position proximate the mouth of the housing, and in combination with the resilient member, prevent further rotation of the reel in the direction tending to pay out the resilient member; wherein the arcuate pivotable fitting is flattened adjacent an end of the fitting adjacent the resilient member and the portion of the resilient member adjacent the fitting is also flattened; wherein at the anti-rotate position the flattened portion of the member engages material disposed proximate the mouth of the housing.