Browse Prior Art Database

Abrasion Tester

IP.com Disclosure Number: IPCOM000079651D
Original Publication Date: 1973-Aug-01
Included in the Prior Art Database: 2005-Feb-26
Document File: 2 page(s) / 49K

Publishing Venue

IBM

Related People

Foytlin, LF: AUTHOR

Abstract

Illustrated in the figures is a device which closely simulates the action of the human hand, skin and physiological factors such as dampness, acidity, etc., in a rubbing, abrading action similar to that which humans impart to objects they handle or touch during use, such as cabinetry parts for business machines.

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Abrasion Tester

Illustrated in the figures is a device which closely simulates the action of the human hand, skin and physiological factors such as dampness, acidity, etc., in a rubbing, abrading action similar to that which humans impart to objects they handle or touch during use, such as cabinetry parts for business machines.

In Fig. 1, a moving belt of polyurethane foam 8 is entrained to ride about rollers 9. The tension on belt 8 can be varied by screw adjustment 6 which bears against the upper surface of frame 7, which carries the pivots for rollers 9. Screw adjustment 6 operates through a lever on brackets 3 to move one of the end rollers 9 through a short distance. The drive for the belt and rollers is not shown, but, in Fig. 2, drive pulley and shaft 10 are schematically illustrated and could be attached to any suitable drive including, preferably, a variable-speed drive.

In operation, the rubbing action of belt 8 is imparted to a test specimen 1 which is mounted on a turntable 2 for continuous rotation. The turntable 2 is driven through ~ suitable gear or other drive 5 and is preferably driven through a slip clutch, so that pressure from belt 8 can cause the turntable and specimen to stop momentarily during the rubbing action.

Belt 8 is brought into and out of contact with the turntable and specimen by a cam 4 mounted on an end face of one of the rollers 9, and cooperates with an adjustable position roller 11 mounted on a bracket 12 for vertical movement...