Spacer system

Details Spacer system Spacer system

1991-03-22

1992-05-26

Watson, Robert C.

Implements or apparatus for applying pushing or pulling force

Fluid pressure

Vehicle attached

254134, B66F 324

Patent

active

051160242

ABSTRACT:
A spacer system of variable height comprises two longitudinal upper members and three transverse lower members. Each of the longitudinal and transverse members includes plural groupings of adjacent slots of varying depth. The upper longitudinal members each have three spaced apart groupings of adjacent slots with two slots of varying depth in each grouping while the transverse lower members each have two groupings of adjacent slots with three slots of varying depth in each grouping. The slots in the upper longitudinal members open in a downward direction and interlockingly and releasably engage the slots in the lower transverse members which open in an upward direction. Variable height of the spacer system depends upon which slot of each grouping in the longitudinal members interlocks and releasably engages a given slot of each grouping in the transverse members.

REFERENCES:
patent: 1574191 (1926-02-01), Groves
patent: 1630140 (1927-05-01), Sibbald
patent: 2609177 (1952-09-01), Hughes
patent: 2804118 (1957-08-01), Bayerkohler
patent: 2844910 (1958-07-01), Korchak
patent: 3870277 (1975-03-01), West
patent: 4932548 (1990-06-01), Bensinger
patent: 5033146 (1991-07-01), Fogarty et al.

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