Line belt driven retrofittable door opener, system, and method of retrofitting thereof
First Claim
Patent Images
1. A door opener for automatically opening a door with an arm comprisinga motor;
- a drive link connected to said motor;
an output link connected to the arm of the door; and
at least one flexible link interconnecting said drive link with said output link;
said at least one flexible link including at least one flexible line link;
wherein;
said at least one flexible link is configured to compress, and stretch to create a shock absorbing action;
said at least one flexible link is configured to allow manual opening of the door; and
said at least one flexible link is configured to allow manual opening of the door without rotating the motor.
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Accused Products
Abstract
A line belt driven retrofittable door opener includes a motor, a drive link, an output link, and at least one flexible link. The at least one flexible link includes at least one flexible line link. The drive link is connected to the motor. The output link is connected to the arm of the door. The at least one flexible link interconnects the drive link with the output link. Wherein, the motor is configured for opening the door by rotating the drive link, which in turn rotates the output link via the at least one flexible link, which in turn rotates the arm, thereby opening the door.
40 Citations
25 Claims
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1. A door opener for automatically opening a door with an arm comprising
a motor; -
a drive link connected to said motor; an output link connected to the arm of the door; and
at least one flexible link interconnecting said drive link with said output link;said at least one flexible link including at least one flexible line link; wherein; said at least one flexible link is configured to compress, and stretch to create a shock absorbing action; said at least one flexible link is configured to allow manual opening of the door; and said at least one flexible link is configured to allow manual opening of the door without rotating the motor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A door opener for automatically opening a door with an arm and an existing door closer linked to said arm via a rotating pinion comprising:
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a motor with an output link connected to the arm of the door via the rotating pinion of the door closer; a drive link connected to said motor; and at least one flexible link interconnecting said drive link with said output link; said at least one flexible link including at least one flexible line link; wherein, said motor is configured for opening the door by rotating the drive link, which in turn rotates the output link via the at least one flexible link, which in turn rotates the arm, thereby opening the door. - View Dependent Claims (15, 16, 17)
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18. A door opener system for automatically opening and controlling the closing of a door with an arm comprising:
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a door opener comprising a motor with an output link connected to the arm of the door; an existing door closer comprising a rotating pinion; wherein, said output link of the door opener is attached to the arm of the door via the rotating pinion of the door closer; a drive link connected to said motor; and at least one flexible link interconnecting said drive link with said output link; said at least one flexible link including at least one flexible line link; wherein, said motor is configured for opening the door by rotating the drive link, which in turn rotates the output link via the at least one flexible link, which in turn rotates the rotating pinion of the door closer, which in turn rotates the arm, thereby opening the door. - View Dependent Claims (19, 20, 21)
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22. A method of retrofitting a door opener to an existing door closer with a rotating pinion comprising:
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providing a door opener comprising; a motor; a drive link connected to said motor; an output link connected to the arm of the door; and
at least one flexible link interconnecting said drive link with said output link;said at least one flexible link including at least one flexible line link; wherein; said at least one flexible link is configured to compress, and stretch to create a shock absorbing action; said at least one flexible link is configured to allow manual opening of the door; and said at least one flexible link is configured to allow manual opening of the door without rotating the motor; and attaching the output link of the door opener with the rotating pinion of the existing door closer. - View Dependent Claims (23, 24, 25)
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Specification