Cutting – By tool reciprocable along elongated edge – With dynamic balancing or shock absorbing means
Patent
1987-04-03
1989-05-02
Watts, Douglas D.
Cutting
By tool reciprocable along elongated edge
With dynamic balancing or shock absorbing means
83781, 83786, 83615, 83639, 74110, B27B 1100
Patent
active
048257419
ABSTRACT:
A power driven reciprocatory machine tool employs an endless belt trained in tension around spaced end pulleys to transmit reciprocatory movement of a drive attached to one run of the belt to a tool carrier clamped to the opposite run of the belt. The moving elements attached to the opposite runs of the belt counterbalance each other to minimize vibration generated by stroke reversal. In one application, the tool carrier mounts a relatively thin saw blade between spaced upper and lower arms which is employed to saw finely detailed edges on a workpiece manually guided to the blade on a stationary horizontal work table. Clamp means which are tightened by the tension of the blade couple the blade to upper and lower arms of the tool carrier, one of the clamp means being mounted on its arm by a manually adjustable blade tensioning device.
The saw, tool carrier and drive may be rotatively adjusted about a horizontal axis to cut inclined or beveled edges on a workpiece supported on the stationary horizontal table.
REFERENCES:
patent: 2345261 (1944-03-01), Jensen
patent: 2613701 (1952-10-01), Nathan
patent: 2780249 (1957-02-01), Andreae et al.
patent: 2808086 (1957-10-01), Dreier
patent: 2868248 (1959-01-01), Pedersen
patent: 2936639 (1960-05-01), Philippi
patent: 4235421 (1980-11-01), Phillips
patent: 4651582 (1987-03-01), Bender
Bell Louis
Wellington Robert
Jones Eugenia A.
Rio Grande-Albuquerque, Inc.
Watts Douglas D.
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