DESIGN NAME: Minimal Sash Lock
PRIMARY FUNCTION: Window Hardware
INSPIRATION: The sash lock was inspired by the need for a more appropriate response to the evolving proportions of the contemporary, energy efficient, double and triple-hung window.
UNIQUE PROPERTIES / PROJECT DESCRIPTION: This sash lock was designed as part of a larger assembly of custom-designed double and triple hung windows. As the contemporary double hung window increases in energy efficiency, its proportions become thinner, yet deeper; its operation smoother and more precise.
The simplicity in design, function, and customization, has the added benefit of requiring minimal installation; a single screw at each component.
OPERATION / FLOW / INTERACTION: The design of the traditional sash lock tends to be in conflict with the directionality experienced while looking out through the window. This design extenuates that experience with its simple, low profile and elongated proportions that achieve a much more subtle recognition of its function.
PROJECT DURATION AND LOCATION: This project began in November of 2011 and was completed in September of 2012.
FITS BEST INTO CATEGORY: Building Materials and Construction Components Design
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PRODUCTION / REALIZATION TECHNOLOGY: 3D Digitally printed in a stainless steel alloy using the minimum thickness and material allowed by the technology.
SPECIFICATIONS / TECHNICAL PROPERTIES: Width: 19 mm; Depth: 85 mm; Height: 15 mm (Variable depth of swing arm based on depth of window)
TAGS: Custom Window Hardware, Interior Design, Sash Lock
RESEARCH ABSTRACT: The sash lock addresses the need for a refined simplicity in its design, function, fabrication, customization, and installation. The end product was to exhibit simplified geometries that respond directly to the function of the object but relax at points of contact with the hand.
CHALLENGE: There were many challenges that had to be addressed in order to distill the design of the traditional sash lock down to its most basic components and functionality. There could be no torqueing of the sash rails, instead favoring a simple compression closure. Contemporary windows do not require the vertical torqueing that traditional sash locks provide; rather, the simple compression of the upper and lower sash together perform the same function. Thus, the location of it’s mounting and operation of the lock had to relieve the stress on the meeting rails, which tend to fail over time.
Integral to the realization of our design, we had to use the minimum material dimensions printable with 3D printing technology to produce the least possible material needed for the functioning of the hardware. This afforded us the opportunity to customize the user's ability to extend or reduce the length of the swing arm to fit any depth required by a specific window.
The screw securing the swing arm compresses against the lower bushing, allowing the arm to swivel easily. A single screw at each component allows for absolute ease of installation.
ADDED DATE: 2012-09-24 10:09:03
TEAM MEMBERS (4) : Pamela Butz, Jeffrey Klug, Joshua Fiedler and
IMAGE CREDITS: BUTZ + KLUG Architecture, 2012.
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