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    Door operator
    4.
    发明授权
    Door operator 失效
    门操作员

    公开(公告)号：US3438148A

    公开(公告)日：1969-04-15

    申请号：US3438148D

    申请日：1967-11-06

    Applicant: VAPOR CORP

    Inventor： LYNN ROBERT J ,  DAUGIRDAS KRISTUPAS

    IPC: B61D19/02 ,  E05B47/00 ,  E05B65/20 ,  E05F11/54 ,  E05F15/14 ,  E05F15/00 ,  E05F11/12

    CPC classification number: E05F15/649 ,  E05F15/40 ,  E05Y2201/22 ,  E05Y2201/244 ,  E05Y2201/434 ,  E05Y2201/462 ,  E05Y2201/676 ,  E05Y2201/68 ,  E05Y2400/354 ,  E05Y2400/51 ,  E05Y2800/00 ,  E05Y2800/252 ,  E05Y2900/51

    Abstract: 1,189,950. Control of motors. VAPOR CORP. 27 Sept., 1968 [6 Nov., 1967], No. 46004/68. Heading H2J. [Also in Division E2] In an electric door operator having an output shaft 14 rotatable between open and closed positions of the door, control of the door movement is effected via a cam 43 secured to and rotatable with the shaft and which co-operates with three fixed switches 40, 41 and 42, there additionally being a locking device 24 operable independently of the shaft and which includes a lock releasing solenoid 34. As disclosed, the door motor and solenoid are energized manually to initiate opening, and switch 40 operates at the end of the opening cycle to de-energize the motor, switch 41 operating before this to actuate a door opening cushioning circuit and to deenergize the solenoid. Switch 42 operates near the end of the closing cycle which is initiated manually to de-energize the motor and to actuate a door closing cushioning circuit. Cushioning is effected by adding a resistance to the motor circuit.

    Modulating door check
    6.
    发明授权
    Modulating door check 失效
    调节门检查

    公开(公告)号：US3380110A

    公开(公告)日：1968-04-30

    申请号：US57856166

    申请日：1966-09-12

    Applicant: VAPOR CORP

    Inventor： KRISTUPAS DAUGIRDAS ,  LYNN ROBERT J ,  LEO LOWY S

    IPC: E05F3/02

    CPC classification number: E05F3/02 ,  E05Y2900/132 ,  Y10T16/281

    Abstract: 1,124,000. Door closing device comprising a modulating door check. VAPOR CORP. 13 June, 1967 [12 Sept., 1966], No. 27246/67. Heading E2M. A door closing device 13 having application in vehicles having passenger/driver operated doors, is illustrated with reference to drawings (see Figs. 1, 2 and 3) and comprises a spring 21 for closing the door 11 and a check device 33 for modulating the closing action, said check 33 including a cylinder 35 having a piston 39 and a rod 32 connected to the door, and having a one-way air valve means 46 intercommunicating the opposite sides of the piston when it is moving toward the closed end of the cylinder during door opening and said valve closing during door closing, a continuously open orifice 50 bleeding air between opposite sides of the piston, an air control hole 52, 53 in the rod end of the cylinder, and means 56, 57 for breaking the seal of the piston with the cylinder wall and enabling air to readily pass between opposite sides of the cylinder allowing fast movement of the piston toward the rod end of the cylinder over a predetermined distance. The device enables the provision of a door closing action made up of a pause as the door starts to close, followed by a fast movement to a position where the door is cushioned before finally being snapped shut.

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