Bizarre Patents
A hand wearable body squeegee comprising a glove portion, a concave squeegee band, and a linear squeegee band.
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US Patent 4274294 - Apparatus for converting rotary motion to linear motion
US Patent Issued on June 23, 1981
Estimated Patent Expiration Date:
July 2, 1999Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
Estimated Patent Expiration Date:
July 2, 1999Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.AbstractApparatus for converting rotary motion of a screw into linear motion includes three circumferentially spaced nut segments each resiliently mounted for displacing in a radial direction normal to the screw axis. A thin flat plate spring member provides a resiliency to the nut segments in a direction normal to the screw axes. The nut segments include a set of parallel triangular screw threads with the roots undercut and the crests removed for averaging out the contact between the nut segments and the screw to an area along the pitch diameter of the screw. | InventorsAssigneeApplicationNo. 06/053922 filed on 07/02/1979US Classes:74/424.95, Independent nut segments74/89.36Deflection relatedExaminersPrimary: Staab, Lawrence J.Attorney, Agent or FirmUS Patent References2233915, 2567483, 2894408, 3004445, 3337732, 3654816, 4041793Electrically adjustable vehicle accessoryIssued on: 08/16/1977 Inventor: Repay , et al. International ClassesF16H 25/24 (20060101)F16H 25/20 (20060101) |
