Supports: cabinet structure – Removal facilitating magazine type – Stacked article type
Patent
1974-09-17
1976-03-02
Gilliam, Paul R.
Supports: cabinet structure
Removal facilitating magazine type
Stacked article type
108136, 211 49D, 221232, A47B 902, A47F 104, B65H 120
Patent
active
039414400
ABSTRACT:
Self-leveling dispenser of the type having an elongated lever which serves to balance the spring and platform, with a member being adjustable along the lever for altering the ratio of effective moment arms to change the effective spring rating of the dispenser. An adjustment feature comprises felxible strands connected to opposite sides of the adjustable member. By means of a pulley surface, both strands leave the lever at the pivot point and proceed to a take-up pay-out device, shown as a dentent-controlled reel. For avoiding working against the spring during adjustment the lever concavely curves about the line of action of a tension spring acting upon the lever. In combination of these features the strands are guided by longitudinally convex surfaces of the curved member. The platform and spring loads are shown to act in one diagonal direction of a rectangular frame with the frame braced by a tension member extending in the opposite diagonal direction.
REFERENCES:
patent: 2707142 (1955-04-01), Waite
patent: 2896790 (1959-07-01), Bell et al.
patent: 2919168 (1959-12-01), Shivek
patent: 2932403 (1960-04-01), Vershbow
patent: 2932404 (1960-04-01), Vershbow
patent: 2934211 (1960-04-01), Shivek
patent: 3694044 (1972-09-01), Cummings
patent: 3722970 (1973-03-01), Healy
patent: 3820478 (1974-06-01), Bergenthal
Menzin Marvin
Robinson Hugh A.
Gilliam Paul R.
Peters and Company, Inc.
Pietruszka Carl F.
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