Cam-driven four-way head restraint assembly
First Claim
1. A head restraint assembly adapted to operatively engage the seat back of a vehicle seat and provide four-way adjustment, said head restraint assembly comprising:
- a frame adapted to operatively engage the seat back of a vehicle;
a housing adapted to operatively engage a portion of said frame, said housing including at least one aperture disposed along a horizontal axis perpendicular to said frame;
a cam assembly disposed within said housing adapted to provide fore/aft adjustment of said housing relative to said frame, said cam assembly including a camshaft extending along the horizontal axis and at least two drum assemblies operatively supported by said camshaft, said cam assembly further including a contact plate extending parallel to said camshaft and adapted to releasably engage said drum assemblies, said camshaft operatively connected to said contact plate to provide releasable engagement between said contact plate and said drum assemblies; and
a control member adapted to operatively engage said cam assembly and provide for fore/aft and vertical adjustment in response to user input.
12 Assignments
0 Petitions
Accused Products
Abstract
The present invention relates to a head restraint assembly providing four-way adjustment and having dual positive stops as well as a single ergonomic control. The present invention includes a frame and a housing that engages a portion of the frame. The present invention further includes a cam assembly disposed within the housing to provide fore/aft adjustment of the housing relative to the frame. The cam assembly includes a camshaft and at least two drum assemblies supported by the camshaft. The cam assembly further includes a contact plate extending parallel to the camshaft to releasably engage the drum assemblies. The camshaft is connected to the contact plate to provide releasable engagement between the contact plate and the drum assemblies. The present invention further includes a control member to engage the cam assembly and provide for fore/aft and vertical adjustment in response to user input.
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Citations
20 Claims
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1. A head restraint assembly adapted to operatively engage the seat back of a vehicle seat and provide four-way adjustment, said head restraint assembly comprising:
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a frame adapted to operatively engage the seat back of a vehicle; a housing adapted to operatively engage a portion of said frame, said housing including at least one aperture disposed along a horizontal axis perpendicular to said frame; a cam assembly disposed within said housing adapted to provide fore/aft adjustment of said housing relative to said frame, said cam assembly including a camshaft extending along the horizontal axis and at least two drum assemblies operatively supported by said camshaft, said cam assembly further including a contact plate extending parallel to said camshaft and adapted to releasably engage said drum assemblies, said camshaft operatively connected to said contact plate to provide releasable engagement between said contact plate and said drum assemblies; and a control member adapted to operatively engage said cam assembly and provide for fore/aft and vertical adjustment in response to user input. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A vehicle seat having a head restraint assembly adapted to operatively engage the seat back of a vehicle seat and provide four-way adjustment, said vehicle seat comprising:
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a lower seat assembly supported on a mounting assembly to operatively secure said lower seat assembly to a vehicle; a seat back operatively supported by said lower seat assembly; a head restraint assembly adapted to provide four-way adjustment, said head restraint assembly including a frame adapted to operatively engage the seat back of a vehicle, said head restraint assembly further including a housing adapted to operatively engage a portion of said frame, said housing including at least one aperture disposed along a horizontal axis perpendicular to said frame, said head restraint assembly further including a cam assembly disposed within said housing adapted to provide fore/aft adjustment of said housing relative to said frame, said cam assembly including a camshaft extending along the horizontal axis and at least two drum assemblies operatively supported by said camshaft, said cam assembly further including a contact plate extending parallel to said camshaft and adapted to releasably engage said drum assemblies, said camshaft operatively connected to said contact plate to provide releasable engagement between said contact plate and said drum assemblies, said head restraint assembly further including a control member adapted to operatively engage said cam assembly and provide for fore/aft and vertical adjustment in response to user input. - View Dependent Claims (17, 18, 19, 20)
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Specification