Instrument cluster gauge assembly

Details Instrument cluster gauge assembly Instrument cluster gauge assembly

1994-08-26

1998-09-08

Gutierrez, Diego F.F.

Signals and indicators

Indicators

Index structure

116332, G01D 1322

Patent

active

058030131

ABSTRACT:
An instrument cluster gauge includes a pointer assembly and a gauge movement. The gauge movement has a staff with a constant diameter. The pointer assembly includes a bushing intended to be placed over the staff when the pointer assembly is mounted on the gauge movement. The bushing has a bore having a lead-in portion providing radial clearance with the staff; a main contact portion with a slight interference with the staff; and a clearance portion providing radial clearance with the staff. The geometry just described facilitates the mounting of the pointer assembly on the gauge movement to a predetermined depth rather than to a predetermined force. Further, the assembly force is defined by design and is therefore more consistent than where a pointer assembly is mounted on a gauge movement staff to a target force. Also, the lead-in eases assembly of the pointer assembly onto the staff, facilitating flexible manufacturing. The bushing further has a face with a stippled surface. The stipple on the face of the bushing facilitates the use of machine vision in the mounting of the pointer assembly on the staff.

REFERENCES:
patent: 52849 (1866-02-01), Hastings
patent: 3855787 (1974-12-01), Assmus
patent: 4300470 (1981-11-01), Furukawa
patent: 4755053 (1988-07-01), Levinson et al.
patent: 4959759 (1990-09-01), Kohler
patent: 5080035 (1992-01-01), MacManus
patent: 5143016 (1992-09-01), Fournier

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