TH116030A - Walk-behind mower - Google Patents

Abstract

DC60 (01/11/59) Walk-behind mower with height adjustment mechanism (20) for adjusting the height of the machine (11) above the floor, height adjustment mechanism (20) including wheel support assembly. Front (21L) and rear wheel support assembly (22L) that are bolted to the body so that it can swing up and down, link assembly (25) to link the front and rear wheel support assemblies to provide Can move Interlocking and locking mechanisms (50) to limit and release the movement of the assembly Linked in forward and reverse directions, locking mechanism (50) includes: a number of locking grooves (51) at It has been arranged in a row from front to back on the link assembly (25), the lock pin (52) that can be locked together selectively with one of the mortise grooves. To be able to get in and back out of one of the log grooves. And action assembly (54) for sliding and locking the pivot to work. Correction 1/11/2016 walk-behind mower with height adjustment mechanism (20) for adjusting the height of the machine (11) above. Height adjustment mechanism floor (20) includes: front wheel support assembly (21L) and rear wheel support assembly (22L) that are attached to the body to allow up and down swinging. 25) to link the front and rear wheel support assemblies to enable movement. Interlocking and locking mechanisms (50) to limit and release the movement of the assembly Linked in forward and reverse directions, locking mechanism (50) includes: a number of locking grooves (51) at It has been arranged in a row from front to back on the link assembly (25), the lock pin (52) that can be locked together selectively with one of the mortise grooves. To be able to get in and back out of one of the log grooves. And operating assembly (54) for sliding and locking the pivot. -------------------------------------------------- -:

Claims (1)

Disclaimer (all) which will not appear on the advertisement page: edit 1/11/2016 1. A walk-behind mower designed to move under motor power or manpower. While mowing the lawn, where a walk-behind mower is included: unit (11); Blades (14), packed inside the machine, for cutting grass; And height adjusting mechanism (20) for adjusting the height of the machine and the blade relative to the floor, where the height adjustment mechanism (20) includes: front wheel support assembly (21L, 21R), welded Tether sway vertically against the front (11a) of the unit (11), for support of the front wheels (12, 12); Rear wheel support assembly (22L, 22R), swaying vertically linked to the rear (lib) of the body (11), for rear wheel support (13, 13); Link assembly (25) to link the front wheel support assembly (21L, 21R) and rear wheel support assembly (22L, 22R) together to make the front wheel support assembly and parts. The rear wheel supports can be moved in a lockable manner, which are linked together. It can move in forward and backward directions and in a vertical direction in accordance with the Swing motion of front wheel support assembly (21L, 21R) and rear wheel support assembly (22L, 22R); And the locking mechanism (50) to limit and release the movement of the link assembly (25) in the forward and reverse directions, in which the locking mechanism (50) includes: a number of log grooves (51) that have been formed Form in a row from front resistance to upper back resistance Link assembly pieces (25); A lock pivot (52) that can be locked in with a selective lock groove (51) one; Pivot guide section (53), not provided to the machine. (11), to guide the slide of the log pivot (52) in the inward-reverse direction by comparing the groove (51) one; And operating components (54), not provided to the apparatus (11), for sliding the locking pivot (52), where each log groove (51) is composed of a U-shape groove with the upper end (51a) tilted down from the surface at the resistance end. The top (25d) of the link element (25), and the upper end (25d) of the link element (25) is assembled with a curved surface formed into a shape. The entire bend of the section (25e) where the upper end (51a) of the log groove (51) is aligned, where the arc shape corresponds to the motion (Lt) of the link assembly ( 25) in the forward and backward directions and the vertical directions, whose characteristics are At least one of the front surface (51Fw) on the groove-formed edge at the front end (51F) of the log groove and one of the back surface (51Rw) on the groove-formed edge at the rear end. (51R) of the log groove has a step (51Fd, 51Rd) that is continuously inclined from the curved bottom (51b) of the log groove together to the area above the surface (51Fw, 51Rw) ---------- -----------------------------------