会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 56. 发明专利
    • Improvements in Apparatus for Locking and Unlocking the Doors of Railway Carriages.
    • GB191313787A
    • 1914-04-16
    • GB191313787D
    • 1913-06-14
    • WILSON JOHN
    • WILSON JOHN
    • 13,787. Wilson, J. June 14. Pneumatically-operated fastenings. - In an apparatus for locking and unlocking the doors of railway carriages of the type described in Specifications 12,815/12, 23,332/12, and 2123/13, the locking and unlocking operations are expedited by arranging a valve device between the train-pipe and the lock so as to prevent the complete destruction of the operating-agentvacuum or pressure-when the doors are unlocked. In this way, the proportion of operating-agent maintained in the train-pipe contributes to the amount required for obtaining the next locking operation. In Fig. 1 is shown a valve device employed in a vacuum-operated apparatus. The casing x, connected to the train-pipe by pipe b and to the locks on the doors by pipe b , contains two spring or gravity valves a, c, the former being interposed between the pipes b , b , and the latter for opening pipe b to the atmosphere. The stem of each valve a, c has upon it a diaphragm a , c placed in the position corresponding to the other valve. The arrangement of the valves and the strengths of their respective springs are such that when the degree of vacuum is increased in the trainpipe and in the pipe b , the atmospheric valve c is first closed and then valve a is opened to transmit the vacuum through the pipe b to the locking-devices. When the vacuum is established in the pipe b , the atmospheric pressure keeps the valve c closed and the valve a fully open. On the vacuum in the train-pipe being diminished for unlocking purposes, the valve a is first closed, thus shutting off the vacuum to the locks, and then, on slight further diminution, the valve c is opened to the atmosphere. Instead of diaphragms, pistons may be employed. The spring influence is adjustable by means of the nuts x , x , and weights may replace the springs. When compressed air is employed, a slightly modified arrangement of valves becomes necessary. The maintenance of the vacuum in the train-pipe and pipe b is ensured by the provision of a spring-urged valve g', Fig. 5, on the atmospheric outlet h , which is controlled by the three-way cock h in the driver's cab. The remaining connexions of this cock are to the train-pipe t and to the ejector or other source of motive power by the pipe h . A small passage h is provided for leakage compensation. If, in an unlocking operation, the vacuum is diminished to a point below the degree necessary, provision is made for restoring it to this degree in readiness for the next locking operation. To this end, a stop-cock j, Fig. 7, is provided between the three-way cock h and the valve i' for putting the 'limiting-means out of action.
    • 58. 发明专利
    • Improvements in Apparatus for Locking and Unlocking Doors of Railway Carriages.
    • GB191302123A
    • 1913-04-10
    • GB191302123D
    • 1913-01-27
    • WILSON JOHN
    • WILSON JOHN
    • E05B51/02
    • 2123. Wilson, J. Jan. 27. Pneumatically - o p e - rated fastenings.-In an apparatus for locking and unlocking railway carriages, of the kind described in Specification 23,332/12, a retainer a on the doorjamb is arranged in front of the door latch a , which is of the kind described in Specification 4031/11, and is adapted to be rotated to permit unfastening of the door except when locked in position by means of a pneumaticallyoperated piston or diaphragm. For this purpose, the retainer a, maintained in locking position by a spring a , has a projection a , Fig. 6, which is normally free to move within a gap of the piston-rod b , but is held in locking engagement with the lower end b of the pistonrod when the piston b rises in the cylinder b. In the form of apparatus shown, the piston is raised by the formation of a vacuum in the cylinder b, which is connected with the trainpipe by a pipe b ; but in a modification in which the cylinder is inverted, compressed air may be employed. The spring a may instead be of the uncoiling type, or may be replaced by a weight. As shown in Fig. 1, the latch a may be combined with a spring-pressed latch-lock e, as described in Specification 12,815/12; and the whole apparatus is adapted for an emergency unlocking and for accelerated unlocking, as described in Specification 28,346/12.