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US 3,954,036 AGranted
Combination saw
AssigneeJames L. Brown
InventorOtto Mathias Andreas Bech
Life of this patent
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Abstract
A combination band saw, scroll saw and jigsaw having multiple blades driven by a common power source through a system of pulleys and belts, the jigsaw and scroll saw of which are activated by means of a belt-activated drive rod and piston rod system. The band saw is carried by a series of pulleys and the combination saw may be operated with all three blades simultaneously in operable position, or, in the alternative, each blade may be activated individually.
Claims10
A combination saw compising:
- a. a frame;
- b. a motor mounted on said frame;
- c. a frame arm carried by the upper portion of said frame and a work plae carried by the lower portion of said frame and disposed opposite said frame arm, said work plate having at least one aperture therein;
- d. an overhead pulley carried by said frame arm in vertical, adjustable relationship;
- e. pulley means disposed in vertical relationship opposite and in alignment with said overhead pulley and below said work plate;
- f. a continuous band saw blade traversing said overhead pulley, said pulley means and said aperture in said work plate;
- g. belt means cooperating with said motor and said pulley means to drive said pulley means;
- h. a drive rod disposed in eccentric cooperation with said pulley means and essentially in reciprocating cooperation with said frame to effect a reciprocating and rocking motion of said drive rod when said motor is activated;
- i. a vertically disposed lower piston rod movably mounted on said frame and positioned below said work plate in cooperation with said drive rod;
- j. a vertically disposed upper piston rod movably mounted on said frame above said work plate and in alignment with said lower piston rod;
- k. means fitted to said lower piston rod and said upper piston rod for receiving the ends of a jigsaw blade and a scroll saw blade;
- and
- l. bias means in cooperation with said upper piston rod for biasing said upper piston rod in an upward, vertical position.
10 more elements
Dependencies are inferred from the claim text.