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Category: Fine Motor Disabilities

Poker Chip Dispenser

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PROTOTYPE --- PURPOSE: To design and construct a poker chip dispenser that eases the stacking and dispersion of chips for an individual with cerebral palsy. A unit with the capacity to hold 240 chips, incorporating slide ramp technology was designed. The unit was required to be mobile, functional, and to fit within a table space of 1.5 inches by 1.5 inches. Design goals included: 1) minimizing moving parts to ensure function and durability; 2) developing a compact unit to assist in mobility and to free up table space; and 3) using lightweight materials while maintaining robustness. The unit includes left and right mounts, a chip holder, a holder area, and a ramp. The mounts hold the unit together and provide travel slots for the chip holder, which dispenses and holds chips. The holder area is used to hold chips for dispersion into the chip holder. The ramp is used to slide the chips up and to disperse them down. There are six holes in the chip holder; each can hold up to 40 chips. The holes were equally spaced out with a 0.5-inch spacing. Slots were cut on the face of the holder along the length of the chip holes. When the chip holder is in the dispersing position, the user can easily slide the desired chips in the slots and dispense the chips from the top of the chip holder. The slots are also used to show the opposing players how many chips the user possesses. The slots had to be big enough to fit the user's fingers but not so big that the chips would fall out the sides. On the sides of the chip holder there are 3/8-inch holes that have pins pressed in them. These aluminum pins slide in the slots of two side mounts, which were designed to hold the top holder area and the ramp, and to house guides for the chip holder. Horizontal and angled slots were milled out of the side mounts to hold 3/8-inch boards forming the top holding area and the ramp. The unit is made of oak. Felt was applied to the surface of the ramp, and all wood was stained and varnished to improve the look of the unit. Handles were fastened to the poker chip holder so the user could easily move the holder from the stacking position to the dispersing position. A detachable shoulder strap was mounted to the sides of the unit for ease of transport. TITLE: Poker Chip Dispenser. JOURNAL: NSF 2006 Engineering Senior Design Projects to Aid Persons with Disabilities. Designers: Jim Bodi, Craig Butler, Mike Heminger, Chris Hilvers (Mechanical Engineering Students). Client Coordinator: Ms. Kim Dittman. The Ability Center of Greater Toledo, Toledo, Ohio, 43560. http://nsf-pad.bme.uconn.edu/2006/2006.html. REF: Chapter 17: pp. 326-327. PAGES: 3 with cover. 2006.

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06/29/2009
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