BELT ADJUSTER

• US 3,591,900 A
• Filed: 06/30/1969
• Issued: 07/13/1971
• Est. Priority Date: 06/30/1969
• Status: Expired due to Term

• Current Assignee: George M. Brown
• Original Assignee: George M. Brown
• Inventors: Brown, George M.
• Application Number:
  US04/837,393
• Time in Patent Office: 743 Days
• US Class Current: 24/196
• CPC Class Codes: A44B 11/10 sliding wedge
• CPC Class Codes: Y10T 24/4084 Looped strap

Abstract

A belt adjuster provided with spaced parallel, offset fixed bars. A third reciprocating bar is disposed between the fixed bars and cooperates with one of the fixed bars to grip therebetween a looped end portion of a belt. The cooperating bars are purposely of noncomplimentary geometries to provide at least two lines of applied gripping pressure. The other of said fixed bars is offset with respect to the cooperating bars so that a moment of forces urges the looped end portion to bear against a rounded edge bearing surface of the crossbar to provide additional gripping pressure.

Claims

1. A belt adjuster comprising:

first and second fixed parallel crossbars, a pair of sidewalls connecting said first and second crossbars, a third crossbar reciprocably mounted between said first and second crossbars, a belt having a first looped end portion fixedly secured on said second crossbar, a second looped end portion of said belt circumscribing said third crossbar, said third crossbar and said first crossbar cooperating to grip therebetween said second looped end portion, said third crossbar being generally cylindrical and said first crossbar being substantially L-shaped with a rounded edge bearing surface, said L-shape facing said third crossbar thereby presenting noncomplimentary geometries between said first and third crossbars to provide at least two lines of applied gripping pressure on said second looped end portion, and means within said sidewalls for resiliently urging said third crossbar into gripping engagement of said second looped portion.

2. The structure as recited in claim 1, wherein said second crossbar is offset from said first and third crossbar whereby a moment of forces is imparted to said belt adjuster when said belt and the looped end portions of said belt are under tension, said belt when under tension and in response to said moment of forces retaining a terminal end portion of said second looped end portion against the rounded edge bearing surface of said first crossbar whereby said second looped end portion is further gripped.

3. The structure of claim 2, wherein said sidewalls include means preventing twisting or sliding of said second looped end portion off said rounded edge bearing surface.