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DOOR ACTUATOR

  • US 3,653,154 A
  • Filed: 02/11/1970
  • Issued: 04/04/1972
  • Est. Priority Date: 02/11/1970
  • Status: Expired due to Term
First Claim
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1. A door actuator device to operate the locking and latching mechanisms of a door and to open and close the door by respectively rotating the moveable section of the door free from, and into engagement with a stationary post comprising:

  • a. motor means, b. drive means actuated by said motor means said drive means being movable (1) in a first direction forcing an opening rotational movement of said door section, and (2) in a second direction forcing a closing rotational movement of said door section, c. latch means responsive to the initial actuation from a initial position of said drive means by saiD motor means for operating said locking and said latching mechanisms to unlock and unlatch said moveable door section prior to said moveable door section having imparted thereto a rotational velocity, and d. locking means driven by said drive means in response to said second direction movement of said drive means for operating said locking mechanism to lock said moveable door section upon engagement of said moveable door section with said stationary post.

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