US708344A - Combined door-check and burglar-alarm. - Google Patents

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Classifications

• • E—FIXED CONSTRUCTIONS
  • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
  • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
  • E05C19/00—Other devices specially designed for securing wings, e.g. with suction cups
  • E05C19/003—Locking bars, cross bars, security bars
  • E05C19/004—Locking bars, cross bars, security bars at an angle between door and floor or wall

Definitions

• WVILLIAM F GRIMES, OF C AR EGIE, PENNSYLVANIA.
• the presentinvention further contemplates to provide a device of the above-described character that will be extremely simple inconstruction, strong, durable, comparatively inexpensive to manufacture, and highly efficient in its use.
• a still further object of the invention is to provide a device of this class that may be easily placed in an operative position and when placed in this position will not interfere with the movement of the door.
• Figure 1 is a perspective view of the lower portion of the door with my improvements attached thereto.
• Fig. 2 is a side'elevation of the device, showing the door in vertical section.
• the reference-numeral 1 represents a door, and 2 the floors. In the latter is countersunk a plate 8, having formed therein a central opening 4. This plate also has formed therein openings 5 to receive fastening means, such as screws 6.
• a plate 7 is rigidly secured to the inner face of the door, said plate carrying guides 8 8,-in which is slidin gly secured the T-headf) of the curved rod Serial No. 114,747. (No model.)
• a lever 11 is pivotally secured at 12 upon the plat-e 7, said lever extending between the guides 8 and above the T-shaped head 9.
• a gong 14 is also secured upon the plate 7, said gong having arranged therein a spring to operate the same when tripped by the lug 15.
• a hook 16 is also secured to the door and is adapted to receive the lower or engaging end of the curved rod 10 when placed 'in an inoperatit e position;
• a device of the type set forth comprising a plate with guides thereon, a curved rod having its lower end removably secured in the floor, and carrying a T-head on its upper end operating in said guides, a gong, and means actuated by said T-head for tripping the gong.
• a device of the type set forth consisting of guides, a rod having its lower end remov ably secured in the floor and carrying a head on its other end operating in said guides, at gong, and pivoted means adapted to be actuated'by said head of the rod for tripping the gong.

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• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Securing Of Glass Panes Or The Like (AREA)

Description

Priority Applications (1)

Applications Claiming Priority (1)

Publications (1)

Family

ID=2776873

Family Applications (1)

Country Status (1)

• 1902
  • 1902-07-08 US US11474702A patent/US708344A/en not_active Expired - Lifetime

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