Robotic arms with strap drive trains
US-9068628-B2 · Jun 30, 2015 · US
US11401009B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-11401009-B2 |
| Application number | US-201916596991-A |
| Country | US |
| Kind code | B2 |
| Filing date | Oct 9, 2019 |
| Priority date | Oct 9, 2018 |
| Publication date | Aug 2, 2022 |
| Grant date | Aug 2, 2022 |
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A lateral arm actuator for an extendable awning includes a gas spring with a cylinder and a rod that is displaceable relative to the cylinder, a fitting disposed at a distal end of the rod, and an awning knuckle including a first connector coupled to a cylinder end of the gas spring, a second connector, and a pivot coupled between the first and second connectors. The second connector is pivotable relative to the first connector, and the second connector includes a hook. A cable formed into a continuous loop is positioned over the fitting, along the gas spring, and across the awning knuckle engaging the hook. An extendable awning assembly also incorporates the lateral arm actuator to extend and retract the awning via a motorized roller.
Opening claim text (preview).
The invention claimed is: 1. A lateral arm actuator for an extendable awning, comprising: a gas spring including a cylinder and a rod that is displaceable relative to the cylinder; a fitting disposed at a distal end of the rod; an awning knuckle including a first connector coupled to a cylinder end of the gas spring, a second connector, and a pivot coupled between the first and second connectors, wherein the second connector is pivotable relative to the first connector, and wherein the second connector includes a hook; and a cable formed into a continuous loop and positioned over the fitting, along the gas spring, and across the awning knuckle engaging the hook. 2. A lateral arm actuator according to claim 1 , wherein the rod is biased toward an extended position. 3. A lateral arm actuator according to claim 1 , wherein the fitting comprises a groove, and wherein the cable is disposed in the groove. 4. A lateral arm actuator according to claim 1 , wherein the cable is inelastic. 5. A lateral arm actuator according to claim 1 , wherein the second connector is pivotable relative to the first connector across about 165°. 6. An extendable awning assembly comprising: a motorized roller; an extension bar; an awning secured between the motorized roller and the extension bar; and an extension arm assembly coupled with the extension bar, the extension arm assembly including a first pivot arm pivotably connected to a second pivot arm and a lateral arm actuator disposed between the first and second pivot arms, the lateral arm actuator comprising: a gas spring including a cylinder and a rod that is displaceable relative to the cylinder, a fitting disposed at a distal end of the rod, an awning knuckle including a first connector coupled to a cylinder end of the gas spring, a second connector, and a pivot coupled between the first and second connectors, wherein the second connector is pivotable relative to the first connector, and wherein the second connector includes a hook, and a cable formed into a continuous loop and positioned over the fitting, along the gas spring, and across the awning knuckle engaging the hook, wherein the first pivot arm is secured to the first connector of the lateral arm actuator assembly, and wherein the second pivot arm is secured to the second connector of the lateral arm actuator assembly. 7. An extendable awning assembly according to claim 6 , comprising at least two extension arm assemblies acting on the extension bar. 8. An extendable awning assembly according to claim 7 , further comprising a pair of base support brackets attachable to a structure, wherein the motorized roller is connected between the base support brackets, and wherein the first pivot arms of each of the extension arm assemblies is pivotably connected to a respective one of the base support brackets. 9. An extendable awning assembly according to claim 6 , wherein the rod is biased toward an extended position. 10. An extendable awning assembly according to claim 9 , wherein the extendable awning assembly is configured such that the awning in a stowed position maintains the extension arm assembly in a retracted position against the bias of the rod, and wherein the extendable awning assembly is further configured such that activation of the motorized roller in a first direction releases the awning, and the extension arm assembly is displaced toward an extended position by the bias of the rod. 11. An extendable awning assembly according to claim 10 , wherein the extendable awning assembly is further configured such that activation of the motorized roller in a second direction opposite from the first direction draws the awning toward the retracted position against the bias of the rod. 12. An extendable awning assembly according to claim 6 , wherein the fitting comprises a groove, and wherein the cable is disposed in the groove. 13. An extendable awning assembly according to claim 6 , wherein the cable is inelastic. 14. An extendable awning assembly according to claim 6 , wherein the second connector is pivotable relative to the first connector across about 165°.
Awnings {, including rigid weather protection structures, e.g. sunroofs; Tarpaulins; Accessories for awnings or tarpaulins} · CPC title
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