Burglar Alarm.

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Description

Patent for a new and improved burglar alarm. This design consists in "[t]he combination of the casing, the shaft having the winding-drum, the rope connected to the latter passing over a pulley and having a weight attached thereto, a ratchet-wheel at one end of the shaft, a pitman connecting said ratchet-wheel with the alarm-sounding mechanism, a spring-latch engaging the ratchet-wheel and having a cam-lever pivoted in a notch at its front end, the lamp having a scratch-plate attached to its burner, and the lamp-chimney having a vertical slot in its lower end" (lines 39-50).

Physical Description

[2], 1 p. : ill. ; 23 cm.

Creation Information

Carter, Elmira August 27, 1889.

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This patent is part of the collection entitled: Texas Patents and was provided by the UNT Libraries Government Documents Department to The Portal to Texas History, a digital repository hosted by the UNT Libraries. It has been viewed 25 times. More information about this patent can be viewed below.

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Description

Patent for a new and improved burglar alarm. This design consists in "[t]he combination of the casing, the shaft having the winding-drum, the rope connected to the latter passing over a pulley and having a weight attached thereto, a ratchet-wheel at one end of the shaft, a pitman connecting said ratchet-wheel with the alarm-sounding mechanism, a spring-latch engaging the ratchet-wheel and having a cam-lever pivoted in a notch at its front end, the lamp having a scratch-plate attached to its burner, and the lamp-chimney having a vertical slot in its lower end" (lines 39-50).

Physical Description

[2], 1 p. : ill. ; 23 cm.

Notes

"SPECIFICATION forming part of Letters Patent No. 409,919, dated August 27, 1889. Application filed March 27, 1889. Serial No. 304,970. (No model.)"

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Texas Patents

United States patents filed by Texas inventors before 1900. A majority of the patents are for agricultural and industrial applications.

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Creation Date

  • August 27, 1889

Accepted Date

  • August 27, 1889

Submitted Date

  • March 27, 1889

Added to The Portal to Texas History

  • Aug. 4, 2011, 5:55 p.m.

Description Last Updated

  • Jan. 14, 2024, 10:15 a.m.

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Carter, Elmira. Burglar Alarm., patent, August 27, 1889; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth172138/: accessed April 27, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu; crediting UNT Libraries Government Documents Department.

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