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Controllers of natural coolers

WINDOW STOPPERS
Window stoppers

 So far I have observed I found about 4 types
  of window stoppers. Every stopper had been
  succeeded by other only if it has got some
  advantages like easiness of
  operation, appearance, material saving.
Hinged door stoppers

 These were the earliest
  stoppers that were
    used to prevent
    windows from shutting
    down
   Usually made of wood
   Were in their place for
    a long period
   Cheap and best
   Easy to manufacture
Hinged door stoppers

 When acquires right
  design, most reliable
  stopper
 Only disadvantage
  with this is door would
  be widely opened and
  can’t be optimized for
  required angle of door
Brass hooks
 These made their advent in recent past
 Looks shiny… acts as decorative too
 Drawback of wooden hinge is overcome by this one
 By deciding the best angle that would be useful for
  us, we have to fix the hook onto window frame and
  its socket onto window door
Brass hooks: drawbacks

 An optimized angle but can’t be changed as and
  when needed
 Socket meant for fixing hook became delicate
  because of its shape
Brass screw and socket

 This is a small addition to what
  had been done on brass hook
  stopper
 Here we have a screw fixed
  onto lever, that is fixed on to
  door
 And now instead of sockets,
  here we use a slender bar that
  has hole drilled in at regular
  distances. In general 3 to 4 hole
  for a window
Brass screw and socket

 This provides greater
  choice in terms of
  angle of door required
 Design drawback of
  socket in last stopper is
  overcome
 The only drawback is
  that because of fierce
  winds screw may come
  out of its sockets
Multi lever and track

 This is significant improvement in
    design and working way
   It has a track on which follower
    slides to any required spot
   And a network of levers which let a
    controlled movement to the doors
    of windows
   This has overcome all the
    drawbacks of above stoppers
   But a little more expensive than the
    old ones
Window stoppers

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Window stoppers

  • 1. Controllers of natural coolers WINDOW STOPPERS
  • 2. Window stoppers  So far I have observed I found about 4 types of window stoppers. Every stopper had been succeeded by other only if it has got some advantages like easiness of operation, appearance, material saving.
  • 3. Hinged door stoppers  These were the earliest stoppers that were used to prevent windows from shutting down  Usually made of wood  Were in their place for a long period  Cheap and best  Easy to manufacture
  • 4. Hinged door stoppers  When acquires right design, most reliable stopper  Only disadvantage with this is door would be widely opened and can’t be optimized for required angle of door
  • 5. Brass hooks  These made their advent in recent past  Looks shiny… acts as decorative too  Drawback of wooden hinge is overcome by this one  By deciding the best angle that would be useful for us, we have to fix the hook onto window frame and its socket onto window door
  • 6. Brass hooks: drawbacks  An optimized angle but can’t be changed as and when needed  Socket meant for fixing hook became delicate because of its shape
  • 7. Brass screw and socket  This is a small addition to what had been done on brass hook stopper  Here we have a screw fixed onto lever, that is fixed on to door  And now instead of sockets, here we use a slender bar that has hole drilled in at regular distances. In general 3 to 4 hole for a window
  • 8. Brass screw and socket  This provides greater choice in terms of angle of door required  Design drawback of socket in last stopper is overcome  The only drawback is that because of fierce winds screw may come out of its sockets
  • 9. Multi lever and track  This is significant improvement in design and working way  It has a track on which follower slides to any required spot  And a network of levers which let a controlled movement to the doors of windows  This has overcome all the drawbacks of above stoppers  But a little more expensive than the old ones