Window blinds

From DDL Wiki

Contents 1 Executive Summary 2 Major Stakeholders 3 Product Use 4 Assembly and Bill of Materials 5 DFMA

Executive Summary

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Major Stakeholders

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Product Use

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Assembly and Bill of Materials

Part Number	Name	Qty.	Weight (g)	Function	Material	Manufacturing Process	Image
1	7/16 Screw	2	<1	Attach wall mount to wall	Aluminum	Heading, Thread Rolling
2	7/8 Screw	12	<1	Attach wall mount to wall	Aluminum	Heading, Thread Rolling
3	Wall Mount	2	7	Offers surface for blinds to rest on the wall	Plastic	Injection Molded
4	Mount Lock	2	<1	Keeps blinds in the mount	Plastic	Injection Molded
5	Optional Hold Down Bracket	2	<1	Holds blinds in fixed setting (down)	Plastic	Injection Molded
6	Knot Cover	2	<1	Covers the knots at the main string ends and offers the user a gripping location	Plastic	Injection Molded
7	Beads	2	<1	Allows user to set lowest blind setting	Plastic	Injection Molded
8	String Plugs	2	<1	Plugs the main string insertion hole	Plastic	Injection Molded
9	Ladder String	2	<1	Contains equally spaced rungs to hold blinds	Nylon	Weaving
10	Main String	2	3	Control mechanism for blind height	Nylon	Weaving
11	Blinds	49	7	Directly affects amount of light and privacy	Plastic	Extruding, Stamping
12	Bottom Bar	1	92	Contains excess ladder string, acts as a weight for lowering the blinds	Plastic	Extruding
13	Bottom Bar End	2	<1	Covers ends of bottom bar, has hole for optional hold down bracket	Plastic	Injection Molded
14	String Brace	2	<1	Fixes ladder string in place at the top of the blinds	Plastic	Injection Molded
15	Ladder String Stopper	4	<1	Gives ladder string a way to stay attached to the main frame	Aluminum	Extruding, Bending
16	Inner Rotating Rod	1	23	Holds main frame components in place, controls tilt of blinds	Aluminum	Extruding, Stamping
17	String Roller	2	<1	Provides a smooth surface for the main string to slide against	Aluminum	Extruding
18	Ladder String Holder	2	<1	Holds ladder string in place, allows for tilting	Plastic	Injection Molded
19	Main Frame	1	133	Holds both raising and tilting components	Plastic	Injection Molded
20	Lock Housing	1	<1	Holds the locking mechanism	Plastic	Injection Molded
21	Lock Housing Pin	1	<1	Fixes lock housing to main frame and acts as a holster for depressed locking gear	Aluminum	Extruding
22	Locking Gear	1	<1	Catches string when slid against it, acts as the stopping mechanism	Aluminum	Extruding
23	Locking Roller	1	<1	Provides a smooth surface for the main string to slide against	Aluminum	Extruding
24	Lock Plate	1	<1	Provides a smooth surface for the main string to slide against	Aluminum	Bending
25	Twisting Rod Connector	1	<1	Connects twisting rod to twisting rod hook	Plastic	Injection Molded
26	Twisting Rod Cap	1	<1	Closes the bottom end of the twisting rod	Plastic	Injection Molded
27	Twisting Rod	1	26	User control device, translates to blind tilt angle	Plastic	Injection Molded
28	Twisting Rod Casing	2	<1	Holds twisting gear and twisting screw in their proper locations, shaped to fit into main frame	Plastic	Injection Molded
29	Twisting Gear	1	<1	Holds inner rotating rod, and interacts with twisting screw	Plastic	Injection Molded
30	Twisting screw	1	<1	Converts user input turning to twisting gear rotations	Plastic	Injection Molded
31	Twisting Rod Hook	1	<1	Allows twisting rod to connect to twisting screw	Aluminum	Bending
32	Hook Sleeve	1	<1	Keeps twisting rod hook attached to twisting screw	Plastic	Extruding
33	Rivets	3	<1	Holds twisting rod container together and locking roller together	Aluminum	Casting
34	Rotating Rod Housing	2	<1	Holds the Rotating Rod and the Main String Roller	Plastic	Injection Molded

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DFMA

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