Lopper shear with an improved structure

Details Lopper shear with an improved structure Lopper shear with an improved structure

2006-06-13

2006-06-13

Mah, Chuck Y. (Department: 3677)

Miscellaneous hardware (e.g., bushing, carpet fastener, caster,

Handle, handle component, or handle adjunct

Detachable handle

C016S442000, C024S13600R

Reexamination Certificate

active

07059021

ABSTRACT:
A lopper shear pull-rope grip includes a closed end provided with a bulge. The through hole of the bulge is connected to the hollow notch of the grip, where a rope can penetrate the through hole. And, a slanting board extends downwards from the through hole. The slanting board is provided with a conductive rim. Moreover, a through notch is formed in the grip under the bulge. A pulley is mounted in the through notch and has a rim. Thus, the pulley can slide smoothly along the slanting board of the grip. When the rope is pulled upwards, the pulley will clamp the rope more compactly so as to adjust and position the rope rapidly for convenient and loose-free usage.

REFERENCES:
patent: 2241679 (1941-05-01), Taylor
patent: 2494759 (1950-01-01), Hirschy
patent: 3360858 (1968-01-01), Cowley
patent: 3572307 (1971-03-01), Harkness et al.
patent: 4327797 (1982-05-01), Nakajima et al.
patent: 4442603 (1984-04-01), Wallace et al.
patent: 4546851 (1985-10-01), Brennan
patent: 5237722 (1993-08-01), Ott
patent: 5778539 (1998-07-01), Schneider et al.
patent: 3405163 (1984-11-01), None

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