Single-handled banding tool having multiple pivot points

Details Single-handled banding tool having multiple pivot points Single-handled banding tool having multiple pivot points

1996-05-22

1998-04-28

Larson, Lowell A.

Wireworking

Implements

Stretchers

140 934, B21F 902

Patent

active

057433100

ABSTRACT:
A single-handled banding tool is disclosed, as well as a lock configuration for maintaining tension within a band clamp about a desired object. The handle of the banding tool may be utilized for actuating band loading operations, band tensioning operations, and band locking/cutting operations. During band loading operations and band tensioning operations, the handle pivots about a first pivot point, whereas during band locking/cutting operations, the handle pivots about a second point different from the first point. The two pivot points of the handle are controlled by a toggle system which compares the desired tension set by the operator with the tension in the band. When the ratio of the preset tension to the band tension exceeds a certain, predetermined amount, the toggle system moves the pivot point of the handle from the first pivot point to the second pivot point. In one embodiment and with the toggle system positioned to have the handle pivot about the second pivot point, the band locking/cutting assembly of the banding tool cuts across the entire with of the band along an arcuate path which reduces the amount of forces required to be applied by the operator for band locking/cutting operations.

REFERENCES:
patent: 1989669 (1935-02-01), Harvey
patent: 2087655 (1937-07-01), Prestwich
patent: 2882934 (1959-04-01), Gerrard
patent: 3344815 (1967-10-01), Lawson et al.
patent: 3782426 (1974-01-01), Morgan et al.
patent: 3837211 (1974-09-01), Gress et al.
patent: 4047545 (1977-09-01), Paradis
patent: 4646393 (1987-03-01), Young
patent: 4726403 (1988-02-01), Young et al.
patent: 4928738 (1990-05-01), Marelin et al.
patent: 4997011 (1991-03-01), Dyer et al.

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