Buckles – buttons – clasps – etc. – Strap tighteners – Accordion straps
Patent
1981-11-02
1984-01-31
Hafer, Robert A.
Buckles, buttons, clasps, etc.
Strap tighteners
Accordion straps
24 68R, 24 68B, 24265R, 24265CD, 242 74, 410100, 410103, A44B 2100
Patent
active
044280998
ABSTRACT:
The invention relates to a tensioning apparatus for tensioning a flexible member, such as a strap (11, 62) or a panel (P) and wherein the flexible member (11, 62, P) presents a rigid element (13) at or near its free end or edge, the rigid insert (13) is located in a slot (15, 53) in a rotary member (16, 51) and said rotary member (16, 51) is rotated to tension the flexible member (11, 62, P). The apparatus includes locking means (21, 22 or 54, 56, 64 and 65) for locking the rotary member (16, 51) with the flexible member (11, 62 or P) in tension and said flexible member (11, 62, P) preferably includes a resilient member (14) which, when passed through the slot (15, 53) in advance of the rigid element (13) resiliently retains the flexible member (11, 62, P) with the rotary member (16, 51). The slot (15, 53) in the rotary member (16, 51 ) may receive two or more flexible members (11, 62, or P) and/or said rotary member (16, 51) may include more than one slot (15, 53) each of which may receive one or more flexible members (11, 62, P).
REFERENCES:
patent: 3225408 (1965-12-01), Durham
patent: 3291416 (1966-12-01), Gionta
patent: 3848889 (1974-11-01), Sharrow
patent: 3856265 (1974-12-01), Foster
patent: 3881694 (1975-05-01), Gardner
patent: 3884450 (1975-05-01), Brammer
patent: 4045002 (1977-08-01), Miller
patent: 4119281 (1978-10-01), Paitula et al.
patent: 4243350 (1981-01-01), Hall
Drucker William A.
Hafer Robert A.
Polakowski Paul S.
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