Article lifting container

Details Article lifting container Article lifting container

1993-10-15

1995-10-17

Moy, Joseph Man-Fu

Special receptacle or package

Convertible to or from display configuration

With cover convertible to easel or receptacle support

206556, 206817, 221279, 221276, 221 59, B65H 100

Patent

active

054582326

ABSTRACT:
An article lifting container (10) is provided which includes an outer housing (50) with a lift (100) within an interior thereof supporting a shelf (150). The lift (100) automatically adjusts a position of the shelf (150) vertically depending on a weight of articles (30) placed upon the shelf (150). The lift (100) includes a base (110) supported by the housing (50) and which in turn supports a spring (130) between the base (110) and the shelf (150). An alignment post (120) aligns the shelf (150) to motion only vertically away from and toward the base (110). A sleeve (140) is fixedly attached to the shelf (150) and surrounds the alignment post (120). The sleeve (140) prevents the shelf (150) from pivoting due to uneven loads of articles upon the shelf (150).

REFERENCES:
patent: 855653 (1907-06-01), Muller
patent: 1065293 (1913-06-01), Clarke
patent: 2287146 (1942-06-01), Stern
patent: 2426995 (1947-09-01), Gibbs
patent: 3567293 (1971-03-01), Salcman
patent: 3861563 (1975-01-01), Lisbin et al.
patent: 4199076 (1980-04-01), Brown
patent: 4243153 (1981-01-01), Mitchell
patent: 4854479 (1989-08-01), Callahan et al.
patent: 5048720 (1991-09-01), Hoke
patent: 5253757 (1993-10-01), Locker

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