Builder's Hardware; A Manual for Architects, Builders and House Furnishers

Builder's Hardware; A Manual for Architects, Builders and House Furnishers

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1889 edition. Excerpt: ...fixture which permits of the blind being open at various degrees, for, as a rule, most people prefer to have their blinds either entirely open or entirely shut. SHUTTER-WOUKEHS. The desire to open and operate blinds without opening the. window has led to the invention of several devices which are worked by rods passing entirely through the frame of the house and attached to the blind. It is not altogether easv to under-Fig. 252. Mallorv's Shutter-worker. Frink B. Mallory. Fig. 253. Browrt'i Shutter-worker. Ireland M(g. Co. stand why such devices are used so little, but it must be Chapter ix. admitted, that all of those now in the market are more or less clumsy. Still, the idea is an excellent one, and if there were greater demand for such appliances, undoubtedly better ones would be put before the public. The shulter-worker of this description that is the most natural in its adjustment is illustrated by Figure 252. This consists simply of a rod, at the Fig. 284. Automatic Shutter workn. Dudley ShutUr-Worker Co. end of which is a thread working against a cog-wheel forming a part of the bottom hinge of the blind. On account of the slowness of pitch of the thread, it is very difficult to move the blind from the outside, but the leverage is sufficiently strong to enable one to easily open the blind from within by turning the crank. A very similar appliance to this is the Brown shutter-worker, Figure 253, in which the thread on the spindle works into teeth on the bottom of a plate forming a part of the lower shutter-hinge. Fig. 255. The Automatic Shatter-worker, Figure 254, combines the good points of several other devices, and is somewhat more complicated than either of the preceding. Two cog-wheels gear into each other. The shaft of one wheel is...show more

Product details

  • Paperback | 68 pages
  • 189 x 246 x 4mm | 141g
  • Rarebooksclub.com
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 1236522869
  • 9781236522863