Patent GB-863100-A (GB)
Title: Fastenings for tail doors of vehicles
Inventor: BARKER ARTHUR
IPC: B60J1/18
Filed: 1958-05-19
Abstract: 863,100. Vehicle doors. WILMOT-BREEDEN Ltd. May 6, 1959 [May 19, 1958], No. 15946/58. Class 103(2). [Also in Group XXV] Relates to a fastening for the tail door of a vehicle, the door being of the kind which is hinged at or adjacent its lower edge and incorporates an unframed glass or other transparent window which can be used when the door is closed, to engage channel or otherwise shaped guides on a relative fixed part of the vehicle. According to the invention, the fastening comprises the combination of at least one catch adapted to be mounted on the door for co-operation with a keeper on a fixed part of the vehicle body when the door is closed, window raising and lowering mechanism adapted to be mounted on the door and a common manually operated handle for sequentially actuating the catch and mechanism. As shown, raising and lowering mechanism for the window 10 comprises a pair of rotatable toothed discs 11 each connected to an arm 12 adapted to act upon the lower edge of the window. Spring-loaded bolts 13 at opposite sides of the door which are engageable with keepers 14, have pin-and-slot connections with links 15 which are connected to a bracket 16 pivotally mounted on a body part 19 for the discs 11. An abutment 20 on each link 15 cooperates with a bracket 21 extending from the window to prevent the window from descending when the door is fully closed with the window raised. A spindle 23 for a manually operable handle (not shown) extends from the body part 19 and carries a pair of levers 24, 25, lever 24 carrying a pin 26 which extends through a slot 27 in a cam 28 rotatable about the axis of the spindle and lever 25 carrying a pivoted detent 29 loaded towards a central position by a spring 30. A toothed quadrant 31 which meshes with one of the discs 11 is also rotatably mounted about the axis of the spindle 23 and carries a pair of abutments 31a for co-operation with abutments 29a on the detent 29. With the door closed and the window fully raised movement of the handle (which is spring-loaded to a central position) in a clockwise direction rotates the cam 28 which rocks the rocker 16 sufficient to withdraw the abutments 20. At this position, a roller 33 on the rocker 16 and bearing on the cam 28 permits limited further movement of the spindle without further movement of the rocker. Also at this position one of the abutments 29a contacts one of the abutments 31a whereby continued movement of the handle rotates the quadrant 31 until the window is fully lowered, after which a tail piece of the detent 29 strikes a fixed abutment 32 on the body part thereby to rock the detent 29 and to disengage the abutments 29a, 31a. Continued movement of the cam causes further rocking of the rocker 16 which withdraws the bolts 13 and allows the door to be opened. When the handle is released the handle returns to its central position. The door is fastened and the window raised after reclosing, by moving the handle in the opposite direction. A pair of pivoted spring loaded plates 35 mounted at opposite edges of the door engage over the top edge of the window to lock the latter in the lowered position while the door is open. The plates may be shaped to retain the bolts in the withdrawn position when the door is open.