Double action grab fork and method

Details Double action grab fork and method Double action grab fork and method

2007-07-10

2007-07-10

Mackey, Patrick (Department: 3652)

Material or article handling

Vertically swinging load support

Shovel or fork type

C414S729000, C414S741000

Reexamination Certificate

active

10157740

ABSTRACT:
A double action grab fork is provided according to the invention. The double action grab fork includes an upper grab member, a lower grab member, and an arm. The upper grab member has an upper grab end and an upper grab body. The lower grab member has a lower grab end and a lower grab body. The upper grab end and the lower grab end are constructed for grasping an article. The arm has an upper end and a lower end. The upper end of the arm is rotatably attached to the upper grab body to allow rotation of the upper grab member relative to the upper end of the arm. The lower end of the arm is rotatably attached to the lower grab body to allow rotation of the lower grab body relative to the lower end of the arm. A grab teeth assembly for use with a bucket is provided, and a method for using the double action grab fork is provided.

REFERENCES:
patent: 2326338 (1943-08-01), Drott et al.
patent: 2501243 (1950-03-01), Snyder
patent: 2812595 (1957-11-01), Drott et al.
patent: 3077999 (1963-02-01), Svoboda
patent: 3209474 (1965-10-01), Artman
patent: 3243905 (1966-04-01), Ulrich
patent: 3344540 (1967-10-01), Ulrich
patent: 3421642 (1969-01-01), Carter
patent: 3451575 (1969-06-01), Petro
patent: 3455477 (1969-07-01), Blair
patent: 3493134 (1970-02-01), Ahrens
patent: 3512665 (1970-05-01), Westendorf
patent: 3700131 (1972-10-01), Westendorf
patent: 3701443 (1972-10-01), Lely
patent: 3991890 (1976-11-01), Frank
patent: 4033469 (1977-07-01), Frank
patent: 4051962 (1977-10-01), Westendorf
patent: 4085856 (1978-04-01), Westendorf
patent: 4106646 (1978-08-01), Weisgerber
patent: 4345870 (1982-08-01), Anderson et al.
patent: 4538955 (1985-09-01), Langenfeld et al.
patent: 4565485 (1986-01-01), Wilman
patent: 4566844 (1986-01-01), Campin
patent: 4606692 (1986-08-01), Langenfeld et al.
patent: 4787811 (1988-11-01), Langenfeld et al.
patent: 4790084 (1988-12-01), Anderson et al.
patent: 4797051 (1989-01-01), Langenfeld et al.
patent: 4859130 (1989-08-01), Langenfeld et al.
patent: 4890400 (1990-01-01), Long
patent: 4915575 (1990-04-01), Langenfeld et al.
patent: 4925359 (1990-05-01), Dunnegan
patent: 4930974 (1990-06-01), Langenfeld et al.
patent: 4968213 (1990-11-01), Langenfeld et al.
patent: 4995760 (1991-02-01), Probst et al.
patent: 5121557 (1992-06-01), Moore
patent: 5314292 (1994-05-01), Holopainen
patent: 5466113 (1995-11-01), Norberg
patent: 5639205 (1997-06-01), Kaczmarczyk et al.
patent: 5797461 (1998-08-01), Noble
patent: 5957650 (1999-09-01), Rollo
patent: 5997237 (1999-12-01), Langenfeld et al.
patent: 6074160 (2000-06-01), Brumbaugh et al.
patent: 6109859 (2000-08-01), Domann
patent: 6142724 (2000-11-01), Hirooka et al.
patent: 6267547 (2001-07-01), Lund
patent: 6287072 (2001-09-01), Wasilas
patent: 6374520 (2002-04-01), Westendorf et al.

Affiliated with

Also associated with

Rating

Double action grab fork and method does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Double action grab fork and method, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Double action grab fork and method will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3785378