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His first patent was in 1909, inventing a door lock that turned lights on and off. [1] At the time, Schlage was a citizen of Germany residing in Berkeley, California. [2] In 1919, Schlage patented a door knob which, when pushed up, locked the door. [3] [4] This was succeeded by a door knob incorporating a push-button lock, patented in 1924. [5]
The first-generation RAV4, known as the XA10 series, was constructed on a unique platform that shared Carina and Corolla elements. [12] It launched in Japan in May 1994. Design and development commenced in 1989 under code-name 153T, with design approval and start of production development in the second half of 1991 on the 3-door version and in 1993 for the 5-door v
Walter Schlage had already secured several patents dating back to 1909, when he patented a doorknob that would also complete an electrical circuit so that, for instance, the lights would turn on when the door was opened. [4] However, Schlage's key invention was the bored cylindrical lock, which evolved through several iterations, including a ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 6 March 2025. Device to open or close door Various examples of door handles throughout history A door handle or doorknob is a handle used to open or close a door. Door handles can be found on all types of doors including: exterior doors of residential and commercial buildings, internal doors, cupboard ...
Metal fire-resistance rated door with a lockset consisting of a locking latch bolt operated by lever handle with an escutcheon that encompasses the locking mechanism.. A lockset (alternatively lock set) is the hardware and components that make up the locking or latching mechanism that can usually be found on a door or other hinged object but can also include sliding doors and dividers. [1]
A deadlocking latch bolt (deadlatch) is an elaboration on the latch bolt which includes a guardbolt to prevent "shimming" or "jimmying" of the latch bolt. When the door is closed, the latch bolt and guardbolt are retracted together, and the door closes normally, with the latch bolt entering the strike plate.
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As of May 2008, based on a gasoline price-per-gallon cost of US$3.80 and up and the non-EV 2003 RAV4 2-wheel-drive gasoline fuel efficiency of 27 mpg ‑US (8.7 L/100 km; 32 mpg ‑imp), the RAV4 EV costs approximately 5 times less a per mile basis, and makes mileage in the RAV4 EV the cost equivalent to a 111.1 mpg ‑US (2.117 L/100 km; 133.4 ...