US 12,439,865 B2
Method and system for felling sawing using a forest machine
Jarmo Udd, Vieremä (FI)
Assigned to PONSSE OYJ, Vieremä (FI)
Appl. No. 18/042,820
Filed by PONSSE OYJ, Vierema (FI)
PCT Filed Aug. 26, 2021, PCT No. PCT/FI2021/050575
§ 371(c)(1), (2) Date Feb. 24, 2023,
PCT Pub. No. WO2022/043613, PCT Pub. Date Mar. 3, 2022.
Claims priority of application No. 20205836 (FI), filed on Aug. 27, 2020.
Prior Publication US 2023/0337602 A1, Oct. 26, 2023
Int. Cl. A01G 23/091 (2006.01); A01G 23/081 (2006.01); A01G 23/099 (2006.01)
CPC A01G 23/091 (2013.01) [A01G 23/081 (2013.01); A01G 23/099 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method for felling sawing using a forest machine, in which method a felling head is used, which is set near to a tree to be felled, and sawing is performed on the tree using a saw device fitted to the felling head, wherein before sawing, the saw device is set to a selected level relative to a ground surface, which is recorded in a data system belonging to the forest machine.