The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 10, 1979
Filed:
Dec. 14, 1977
Applicant:
Inventor:
Tetsuo Haraikawa, Funabashi, JP;
Assignee:
Tokico Ltd., Kawasaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16D / ;
U.S. Cl.
CPC ...
188 / ; 1921 / ;
Abstract
An automatic shoe clearance adjusting device in a shoe drum brake of the type including a first strut member, a second strut member telescopically projecting from the first strut member, an adjusting nut rotatably mounted on the first strut member and engaging in screw threaded engagement with the second strut member, a member for rotating the adjusting nut in one direction, and a structure for controlling the rotation of the adjusting nut in the opposite direction. The rotation control structure is associated with a heat responsive element such that when the temperature in the brake exceeds a predetermined level, the adjustment of shoe clearance will not be effected.