DOOR OPENING AND CLOSING DEVICE
First Claim
Patent Images
1. A door opener system for opening and closing a door relative to a structure, the door opener system comprising:
- (i) a rack gear hinged on one end to a structure, wherein the rack gear includes;
(a) a shaft portion that defines gear teeth on a first side, and(b) an angled portion including the hinged end, wherein the angled portion is positioned at an angle of at least 45 degrees and not more than 160 degrees to the shaft portion;
(ii) a pinion drive mechanism fixed to a door;
(iii) a pinion gear engaged with the rack gear and rotationally driven by the pinion drive mechanism; and
(iv) a retention assembly supporting at least one guide bearing that is engaged with the rack gear.
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Accused Products
Abstract
A door opener system for opening and closing a door relative to a structure includes a rack gear that is hinged on one end to the structure. The door opener system also includes a pinion drive mechanism that is fixed to the door. The door opener system further includes a pinion gear that is engaged with the rack gear and that is rotationally driven by the pinion drive mechanism. In addition, the door opener system includes a retention assembly supporting at least one guide bearing that is engaged with the rack gear. Additional embodiments are disclosed.
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Citations
19 Claims
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1. A door opener system for opening and closing a door relative to a structure, the door opener system comprising:
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(i) a rack gear hinged on one end to a structure, wherein the rack gear includes; (a) a shaft portion that defines gear teeth on a first side, and (b) an angled portion including the hinged end, wherein the angled portion is positioned at an angle of at least 45 degrees and not more than 160 degrees to the shaft portion; (ii) a pinion drive mechanism fixed to a door; (iii) a pinion gear engaged with the rack gear and rotationally driven by the pinion drive mechanism; and (iv) a retention assembly supporting at least one guide bearing that is engaged with the rack gear. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. An armored door opening system for opening an armored door of an armored vehicle, the armored door opening system comprising:
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(i) a rack gear configured to be hinged on one end to a vehicle structure, wherein the rack gear includes; (a) a shaft portion that defines gear teeth on a first side and includes a second side opposite to the first side, wherein the second side is generally smooth, and (b) an angled portion including the hinged end, wherein the angled portion is positioned at an angle of at least 45 degrees and not more than 160 degrees to the shaft portion; (ii) a pinion drive mechanism configured to be fixed to the armored door at the exterior of the vehicle; (iii) a pinion gear engaged with the rack gear and rotationally driven by the pinion drive mechanism; and (v) a retention assembly configured to be pivotably secured to a structure associated with the armored door and supporting at least two guide bearings that are engaged with the generally smooth surface of the rack gear. - View Dependent Claims (12, 13, 14, 15)
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16. A door opener system for opening and closing a door relative to a structure, the door opener system comprising:
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(i) a rack gear hinged on one end to a structure, wherein the rack gear defines gear teeth on a first side; (ii) a pinion drive mechanism fixed to a door; (iii) a pinion gear engaged with the rack gear and rotationally driven by the pinion drive mechanism; and (iv) a retention assembly pivotably secured to the door and supporting at least one guide bearing that is engaged with the rack gear. - View Dependent Claims (17, 18, 19)
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Specification